Change Bitcoin Core Data Directory - BitcoinWiki

After I downloaded a file reader that doesn’t support .dat files, my backups of my Bitcoin Core wallet are now in VCD Video File format...please help.

I’m not sure how to get rid of this problem now that I have installed this file reader app on windows 10, but any advice would be great as to how I can get the files back to .dat format. Also, one thing I noticed is that when I save the file to the usb drive, the format is in .dat format but then it automatically converts it to this other format.
submitted by sportsmc3 to Bitcoin [link] [comments]

I had backup a wallet.dat file from bitcoin-qt before formatting my PC. But now I wanna use electrum. How do I do the transfer?

I dont wanna install Bitcoin-QT again and download the whole blockchain.
Is there a simpler way where I download Electrum and transfer those BTC from wallet.dat to the electrum wallet?
submitted by jonbristow to Bitcoin [link] [comments]

I had backup a wallet.dat file from bitcoin-qt before formatting my PC. But now I wanna use electrum. How do I do the transfer? /r/Bitcoin

I had backup a wallet.dat file from bitcoin-qt before formatting my PC. But now I wanna use electrum. How do I do the transfer? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

A few questions about wallet.dat formatting. /r/Bitcoin

A few questions about wallet.dat formatting. /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

Gridcoin 5.0.0.0-Mandatory "Fern" Release

https://github.com/gridcoin-community/Gridcoin-Research/releases/tag/5.0.0.0
Finally! After over ten months of development and testing, "Fern" has arrived! This is a whopper. 240 pull requests merged. Essentially a complete rewrite that was started with the scraper (the "neural net" rewrite) in "Denise" has now been completed. Practically the ENTIRE Gridcoin specific codebase resting on top of the vanilla Bitcoin/Peercoin/Blackcoin vanilla PoS code has been rewritten. This removes the team requirement at last (see below), although there are many other important improvements besides that.
Fern was a monumental undertaking. We had to encode all of the old rules active for the v10 block protocol in new code and ensure that the new code was 100% compatible. This had to be done in such a way as to clear out all of the old spaghetti and ring-fence it with tightly controlled class implementations. We then wrote an entirely new, simplified ruleset for research rewards and reengineered contracts (which includes beacon management, polls, and voting) using properly classed code. The fundamentals of Gridcoin with this release are now on a very sound and maintainable footing, and the developers believe the codebase as updated here will serve as the fundamental basis for Gridcoin's future roadmap.
We have been testing this for MONTHS on testnet in various stages. The v10 (legacy) compatibility code has been running on testnet continuously as it was developed to ensure compatibility with existing nodes. During the last few months, we have done two private testnet forks and then the full public testnet testing for v11 code (the new protocol which is what Fern implements). The developers have also been running non-staking "sentinel" nodes on mainnet with this code to verify that the consensus rules are problem-free for the legacy compatibility code on the broader mainnet. We believe this amount of testing is going to result in a smooth rollout.
Given the amount of changes in Fern, I am presenting TWO changelogs below. One is high level, which summarizes the most significant changes in the protocol. The second changelog is the detailed one in the usual format, and gives you an inkling of the size of this release.

Highlights

Protocol

Note that the protocol changes will not become active until we cross the hard-fork transition height to v11, which has been set at 2053000. Given current average block spacing, this should happen around October 4, about one month from now.
Note that to get all of the beacons in the network on the new protocol, we are requiring ALL beacons to be validated. A two week (14 day) grace period is provided by the code, starting at the time of the transition height, for people currently holding a beacon to validate the beacon and prevent it from expiring. That means that EVERY CRUNCHER must advertise and validate their beacon AFTER the v11 transition (around Oct 4th) and BEFORE October 18th (or more precisely, 14 days from the actual date of the v11 transition). If you do not advertise and validate your beacon by this time, your beacon will expire and you will stop earning research rewards until you advertise and validate a new beacon. This process has been made much easier by a brand new beacon "wizard" that helps manage beacon advertisements and renewals. Once a beacon has been validated and is a v11 protocol beacon, the normal 180 day expiration rules apply. Note, however, that the 180 day expiration on research rewards has been removed with the Fern update. This means that while your beacon might expire after 180 days, your earned research rewards will be retained and can be claimed by advertising a beacon with the same CPID and going through the validation process again. In other words, you do not lose any earned research rewards if you do not stake a block within 180 days and keep your beacon up-to-date.
The transition height is also when the team requirement will be relaxed for the network.

GUI

Besides the beacon wizard, there are a number of improvements to the GUI, including new UI transaction types (and icons) for staking the superblock, sidestake sends, beacon advertisement, voting, poll creation, and transactions with a message. The main screen has been revamped with a better summary section, and better status icons. Several changes under the hood have improved GUI performance. And finally, the diagnostics have been revamped.

Blockchain

The wallet sync speed has been DRASTICALLY improved. A decent machine with a good network connection should be able to sync the entire mainnet blockchain in less than 4 hours. A fast machine with a really fast network connection and a good SSD can do it in about 2.5 hours. One of our goals was to reduce or eliminate the reliance on snapshots for mainnet, and I think we have accomplished that goal with the new sync speed. We have also streamlined the in-memory structures for the blockchain which shaves some memory use.
There are so many goodies here it is hard to summarize them all.
I would like to thank all of the contributors to this release, but especially thank @cyrossignol, whose incredible contributions formed the backbone of this release. I would also like to pay special thanks to @barton2526, @caraka, and @Quezacoatl1, who tirelessly helped during the testing and polishing phase on testnet with testing and repeated builds for all architectures.
The developers are proud to present this release to the community and we believe this represents the starting point for a true renaissance for Gridcoin!

Summary Changelog

Accrual

Changed

Most significantly, nodes calculate research rewards directly from the magnitudes in EACH superblock between stakes instead of using a two- or three- point average based on a CPID's current magnitude and the magnitude for the CPID when it last staked. For those long-timers in the community, this has been referred to as "Superblock Windows," and was first done in proof-of-concept form by @denravonska.

Removed

Beacons

Added

Changed

Removed

Unaltered

As a reminder:

Superblocks

Added

Changed

Removed

Voting

Added

Changed

Removed

Detailed Changelog

[5.0.0.0] 2020-09-03, mandatory, "Fern"

Added

Changed

Removed

Fixed

submitted by jamescowens to gridcoin [link] [comments]

Monero GUI and CLI mnemonic backups appreciation time

Recently I was researching a little bit about how mnemonic backups work, and found this great explanation for Bitcoin's case, which also looks like a nightmare scenario, since long story short: Bitcoin Core doesn't support mnemonics and basically you are stuck with storing your wallet.dat binary, hoping for not losing it or it getting corrupted.
By contrast, both Monero Core wallets (GUI and CLI) support mnemonic backups and are compatible between each other (I just tested this to be sure, and was delighted to find this true, plus seeing how slicker the GUI looks now after quite some time without trying it out).
Yeah, you could use Electrum or some other wallet for mnemonic backups in Bitcoin, but it is just not the same level of security as using a Core wallet.
So I just wanted to take some time to highlight how much I appreciate this Monero feature.
What do you think? Am I hyping Monero's native mnemonic backups too much because I'm missing something? Or do you also think that this feature is underrated?
Edit: Just fixed the link format.
submitted by alive_consequence to Monero [link] [comments]

[HIRING] $400 for a Bitcoin Specialist

This is not a job like others, but I'm trying to recover my bitcoins and struggle to do that as i probably messed up while backing up my wallet.

So i have a Bitcoin Core wallet.dat file. The wallet is either multisig or multiwallet(if such a thing exists).
I have written down the public and private key for these (private key beggins with an L and is 52 characters long). I dont know if it's compressed or in a weird encrypted format as it's coming from the multisig wallet.

I also have the original wallet.dat file but tring to restore it through bitcoin Core does nothing for some reason.

I've tried retreiving these funds from exodus, electrum and nothing works. I think i need to try and recover from the wallet.dat file (maybe there are other methods of doing it). I'd be happy to pay someone $400 for helping me to recover these funds.
submitted by quickQuestion12asd to Jobs4Bitcoins [link] [comments]

Make your own stakebox. Ultimate beginners guide how to compile any wallet on AARCH64 (Raspbery pi and other SBC)

I contemplated to wrote this for a long time, so it's finally time.
As you know a lot of altcoins uses PoS (Proof-of-stake) way of "mining" coins. Which basically means, that you hold coins on your unlocked wallet and you are receiving stakes as a reward. This requires very little power and it can bring you a lot of rewards, at just 10W from the wall.
So first I am using latest Raspbian on RPI4B 4GB in this example.Setting up Raspbian is not part of this process since it's very well documented. I recommend to change user from pi to something else due to security concerns and you can also do other stuff just search "security Raspberry PI" and you find a lot of articles, but this is not the focus of this guide.
I know there are a lot of guides on the internet, but I am using like 5 sources, so it's compiled what other people wrote and some of my research.
I am using AnyDesk insted of SSH or VNC server, because it works it's ligthweit and it just works.
So after you see the gui of Raspbian, just launch terminal (CTRL + ALT + T) and do basic thing:
sudo apt-get update && sudo apt-get upgrade
Than press Y and let it run, after is finished, we need to prepare so dependency packages. Since most of the wallets using Berkeley DB 4.8 we need to obtain it.
So in terminal wrote:
cd cd Downloads wget http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz tar -xzvf db-4.8.30.NC.tar.gz cd db-4.8.30.NC/build_unix ../dist/configure --enable-cxx make sudo make install 
So wait unti it's finished and than you can delete files in Downloads folder in gui or use:
sudo rm -r [folder] 
So next thing we need to install some libraries.
sudo apt-get install git build-essential libtool autotools-dev autoconf pkg-config libssl-dev libcrypto++-dev libevent-dev libminiupnpc-dev libgmp-dev libboost-all-dev devscripts libdb++-dev libsodium-dev 
And pres y and let it run. After that another set of libraries:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler libcrypto++- dev libminiupnpc-dev qt5-default 
And then again pres y and let it run. Some wallets need older version of libssl1.0-dev, so for for safe compiling we install that as well:
sudo apt-get install libssl1.0-dev 
Pres y and let it run. Warning don't use sudo-apt get autoremove, since it would wipe this package, since it's old.
Next thing we are going to obtain Bitcoin PPA filest, which can be done like this.
cd /etc/apt/sources.list.d/ sudo nano bitcoin.list 
Paste this in there:
deb-src http://ppa.launchpad.net/bitcoin/bitcoin/ubuntu artful main 
And CTRL+X and than y, then do this:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv C70EF1F0305A1ADB9986DBD8D46F45428842CE5E sudo apt-get update 
So now we are ready for compiling. So we are going create folders. CD yourself where this folder should be situated, if you for example have plugged in some external drive. Then:
mkdir Crypto cd Crypto 
And then we have to choose wallet which you want to compile. I am choosing Streamies (STRMS) as an example, since it's pretty good coin for staking. So:
mkdir Streamies cd Streamies 
Then go to the github page and click on the green button on the left and click copy to clipboard, which gives you git link.
git clone https://github.com/Streamies/Streamies.git 
Watch the output folder which it creates, it's stated in the first two lines and copy then by highliting the text and CTRL+SHIFT+C copy it to your clipboard.
cd Streamies (this is that git created folder) ./autogen.sh ./configure CPPFLAGS="-I/uslocal/BerkeleyDB.4.8/include -O2" LDFLAGS="-L/uslocal/BerkeleyDB.4.8/lib" sudo make (this could take hours) sudo make install 
And you are done, files is going to be in folder /uslocal/bin (DO NOT delete git created folder, because you are going to need it for faster compiling, when wallet get's and update.)
cd /uslocal/bin 
Now you can list files by:
ls 
And then you can copy/move them where ever you want by using:
sudo mv * [destination full path] 
Let it run and go back to folder where you move those files.
sudo chmod +x streamies-qt (since we want to run wallet) 
In most cases compiled files are going to in format of "shared library" so we need to create script to run it. Open up a text editor from gui or through nano. And paste this to that file:
#!/bin/bash ./streamies-qt 
And save it as a sh file, for example run.sh. Then we need to make it runnable so:
sudo chmod +x run.sh 
Now to run it, it's just:
./run.sh 
And here we are glorious GUI wallet appears and you are done, you can paste blockchain, wallet.dat from other sources, so this migration is pretty easy and you, if you have it on for exaple flash disk.
So this is basic how to compile QT wallets on AARCH64. I am running 7 wallets, 2 of those are Masternodes and RPI 4B 4GB would handle way more, I am at best on half of my RAM.
Some wallets need more package, but it's not much of and issue, since compiling stops and you just copy paste nape which is missing put it in the google and add "apt-get" after the name of package and you are going to see, what is the name of the packages so it can be retreived from package assinstant aka apt-get. So basically:
sudo apt-get install [package name] 
Then press y and again wrote:
sudo make 
This process is going to continue where it was left off, so nothing is going to run from beginning.
Updating wallets is basically exactly same, just repeat steps from "git clone" and after that proceed as it was written above.
So I hope this helps some of you, to use this at home and not on some VPS, if you are anxious as me, to host my wallets on remote server.
submitted by M1chlCZ to CryptoCurrency [link] [comments]

Help required with recovery of BTCs. I'm willing to pay for help

A friend gave me his PC to rebuild. He knew I was into Bitcoins, and told me to recover the wallet from the SSD before formatting it. Upon inspection, I found the SSD was formatted and had nothing on it. So I ran EaseUS data recovery, and recovered the entire drive. This was 2 years back, and I had no idea what I was looking for, because I never mined BTCs to begin with. His PC was with a GTX 900 series GPU, and he mentioned he setup mining for an entire night. Now I'm guessing he could have mined 2 blocks. This is purely my assumption.
I have the data from the SSD, but what should I be looking for? There is no wallet.dat file. There are recovered files with jumbled filenames.
How big should the wallet file be? Is there any other file I should be looking for?
P.S I know of another friend, who mined approximately 10,000 BTCs, and kept the PC aside, after 2 years he sold the PC, and in 2017 when price went up to 18K, he desperately tried to trace the PC, but it was lost. Oh well.
Edit: He started mining in 2011 for 1 night
submitted by mal1k7 to Bitcoin [link] [comments]

Reddcoin (#RDD) May 2020 Team Update, or “New Wallets & What to Expect when You’re Expecting PoSV v2”

Link to Medium post -> https://medium.com/@techadept/reddcoin-rdd-may-2020-team-update-or-what-to-expect-when-youre-expecting-posv-v2-b708319221ce?sk=b5eafc57b67327d99a35380f390d77ca
Hey, ReddHeads!
To new ReddHeads, welcome! To old ReddHeads, welcome back! It’s an exciting time in Reddcoin (RDD) for a lot of reasons, and we, the Reddcoin Core development team, wanted to get a brief update out to touch base on some of the highlights.
Attached are some screenshots of our work to enhance security and interoperability, and to extend support to MacOS Catalina in our newest v3.10.1 wallet.
This wallet release also includes components and performance & security upgrades taken from the Bitcoin 0.10 codebase, and we will be following much of that same development and enhancement in our Reddcoin Core wallet in the future, with 0.11 up next.
This release is not a required upgrade (except for Catalina users), but will benefit user experience and security significantly. We’ll be publishing, of course, a full public changelog, hashes and commit list in Github along with open source code and compiled executables upon release.
But the major changes in Reddcoin v3 are just about to start, as PoSV v2 gets ready to activate. Released to the community on 12/24/19, the blockchain has (at time of writing) reached 8197 of the required 9000 block threshold, or 91.08% of our goal of supermajority. If you haven’t upgraded yet, or aren’t staking, it’s time.
After PoSV v2 activation, older (v2.x, v1.x) wallets will not be able to send transactions or stake.
We anticipate activation to be reached within a very short time period, especially once our Mac ReddHeads are able to participate, and as such we want to ensure that information for the general community is available and up to date.
1) AM I GOING TO LOSE MY REDDCOIN (RDD)??
a. NO. This is a soft-fork, and whether you’ve upgraded to a v3 wallet or not, you cannot lose your coins. The blockchain itself will remain the same, it is only the rules of staking that are changing. Older wallets WILL stop functioning immediately after the threshold is passed and PoSV v2 activates, but all that is required at that point to restore functionality is to install the new v3 wallet. If you need help, please join our Telegram or Discord live chats for community or Dev help directly. No ReddHead left behind!
2) WHAT DO I NEED TO DO??
a. If you’re staking, make sure you’re using a v3 wallet, preferably the latest version. Right now, that is v3.0.1, in a few days with the above noted release it will be v3.10.1. You may also wish to use the “Backup…” function at this time to make sure you have a backup of the only important file you need, the “wallet.dat” file. There are no mobile staking options at this time due to the nature of our PoSV protocol, but you can deposit coins in the dev team-run ReddBot on Telegram to stake if you have no other options until a mobile staking option is made available.
b. If you’re not staking, or are holding on Coinomi, or Guarda, or other 3rd party wallets, or on an exchange, or a paper wallet, you will also have no operational issues, but of course you’re encouraged to help secure the network and validate transactions, by starting to stake.
3) I’M BORED. ENTERTAIN ME!
a. OK. As successful as our first meetup was, we agree. Look for an upcoming benefit concert from Reddcoin and hopscotchmafiamusic.com at the end of this month. No, really. Free awesome music, cool people, come have a bit of fun with the ReddHead community virtually!
4) I’M HUNGRY. FEED ME!
a. Well…with the activation of PoSV v2, and the creation of Reddcoin’s self- funded development mechanism, we’re very excited to be able to provide at least some resources and RDD toward the Reddcoin Community Food & Supply Bank initiative in the near future. Reddcoin Core will also be donating any funds received in connection with the above concert event to worthy and working charities, especially if we can convince them to receive RDD (or BTC). Watch for further info about this and other charity initiatives to come. Our own efforts rely on PoSV v2 activation, but will be documented publicly and transparently as they evolve.
5) I WAS USING RDD AND THEN X (or Y or Z) HAPPENED AND NOW I’M BROKE AND SAD AND ANGRY. HELP ME!
a. Perhaps you’ve not heard about Reddcoin’s uniquely conceived “Reddcoin Restitution Fund”. Been hacked? Lost a few coins when your computer crashed or your brother formatted your hard drive? Reddcoin has committed a percentage of PoSV v2 funding to give back to users legitimately affected by events beyond their control.
Cases of extreme stupidity will be vetted on a case by case basis, obviously fraudulent claims will be laughed at, and all cases will be dependent on a reasonable standard of proof and verification. This is also going to be an evolving and good faith approach to giving back to our real ReddHead community, and will require both transparency and abuse-prevention to be successful, but we look forward to being able to help those who deserve and need it. NOTE: Trading and speculative losses aren’t covered in any of this. Obviously.
6) I WANT TO KNOW MORE!
We’re working right now to rebuild our main website www.reddcoin.com into a more informative and resource-rich site, but it’s a good starting point. We are in the process of updating our roadmap to cover the end of 2020 and the future as well, and both of those should be available and will be announced within the next month.
a. www.medium.com/@techadept
b. www.reddcoin.com/reddpaper and https://reddcoin.com/reddpaper-faq/
c. www.twitter.com/@reddcoin
d. www.reddit.com/reddcoin
e. https://t.me/ReddcoinOfficial (Telegram chat)
g. https://www.facebook.com/reddcoin
7) IS TECHADEPT DRINKING WHILE WRITING THIS UPDATE??
a. Yes. Macallan. Fight me.
submitted by TechAdept to reddCoin [link] [comments]

I found a lost bitcoin wallet from 2012

So I was going through an old laptop and found the wallet.dat file in %APPDATA%. If I remember correctly I had 0.7 bitcoins mined.
Could anyone with knowledge please help with a couple of questions?
  1. is the balance stored in the wallet itself or do you use it to download blockchain info or some such to work it out?
  2. What can I use to view my wallet? I've read that there are a few formats (Berkley, Level) depending on age. I'd love a simple C# lib or small open source exe..
  3. Is the wallet locked with a password?
A big thanks to anyone taking time to reply :)
Edit: have 0.76 bitcoin ($5k USD). Thanks to all who replied for help and thanks quarantine!
submitted by zer0ptNRG to Bitcoin [link] [comments]

Reddcoin (#RDD) May 2020 Team Update, or “New Wallets & What to Expect when You’re Expecting PoSV v2”

Link to Medium post -> https://medium.com/@techadept/reddcoin-rdd-may-2020-team-update-or-what-to-expect-when-youre-expecting-posv-v2-b708319221ce?sk=b5eafc57b67327d99a35380f390d77ca
Hey, ReddHeads and Crypto Fans!!
To new ReddHeads, welcome! To old ReddHeads, welcome back! It’s an exciting time in Reddcoin (RDD) for a lot of reasons, and we, the Reddcoin Core development team, wanted to get a brief update out to touch base on some of the highlights.
Attached are some screenshots of our work to enhance security and interoperability, and to extend support to MacOS Catalina in our newest v3.10.1 wallet.
This wallet release also includes components and performance & security upgrades taken from the Bitcoin 0.10 codebase, and we will be following much of that same development and enhancement in our Reddcoin Core wallet in the future, with 0.11 up next.
This release is not a required upgrade (except for Catalina users), but will benefit user experience and security significantly. We’ll be publishing, of course, a full public changelog, hashes and commit list in Github along with open source code and compiled executables upon release.
But the major changes in Reddcoin v3 are just about to start, as PoSV v2 gets ready to activate. Released to the community on 12/24/19, the blockchain has (at time of writing) reached 8197 of the required 9000 block threshold, or 91.08% of our goal of supermajority. If you haven’t upgraded yet, or aren’t staking, it’s time.
After PoSV v2 activation, older (v2.x, v1.x) wallets will not be able to send transactions or stake.
We anticipate activation to be reached within a very short time period, especially once our Mac ReddHeads are able to participate, and as such we want to ensure that information for the general community is available and up to date.
1) AM I GOING TO LOSE MY REDDCOIN (RDD)??
a. NO. This is a soft-fork, and whether you’ve upgraded to a v3 wallet or not, you cannot lose your coins. The blockchain itself will remain the same, it is only the rules of staking that are changing. Older wallets WILL stop functioning immediately after the threshold is passed and PoSV v2 activates, but all that is required at that point to restore functionality is to install the new v3 wallet. If you need help, please join our Telegram or Discord live chats for community or Dev help directly. No ReddHead left behind!
2) WHAT DO I NEED TO DO??
a. If you’re staking, make sure you’re using a v3 wallet, preferably the latest version. Right now, that is v3.0.1, in a few days with the above noted release it will be v3.10.1. You may also wish to use the “Backup…” function at this time to make sure you have a backup of the only important file you need, the “wallet.dat” file. There are no mobile staking options at this time due to the nature of our PoSV protocol, but you can deposit coins in the dev team-run ReddBot on Telegram to stake if you have no other options until a mobile staking option is made available.
b. If you’re not staking, or are holding on Coinomi, or Guarda, or other 3rd party wallets, or on an exchange, or a paper wallet, you will also have no operational issues, but of course you’re encouraged to help secure the network and validate transactions, by starting to stake.
3) I’M BORED. ENTERTAIN ME!
a. OK. As successful as our first meetup was, we agree. Look for an upcoming benefit concert from Reddcoin and hopscotchmafiamusic.com at the end of this month. No, really. Free awesome music, cool people, come have a bit of fun with the ReddHead community virtually!
4) I’M HUNGRY. FEED ME!
a. Well…with the activation of PoSV v2, and the creation of Reddcoin’s self- funded development mechanism, we’re very excited to be able to provide at least some resources and RDD toward the Reddcoin Community Food & Supply Bank initiative in the near future. Reddcoin Core will also be donating any funds received in connection with the above concert event to worthy and working charities, especially if we can convince them to receive RDD (or BTC). Watch for further info about this and other charity initiatives to come. Our own efforts rely on PoSV v2 activation, but will be documented publicly and transparently as they evolve.
5) I WAS USING RDD AND THEN X (or Y or Z) HAPPENED AND NOW I’M BROKE AND SAD AND ANGRY. HELP ME!
a. Perhaps you’ve not heard about Reddcoin’s uniquely conceived “Reddcoin Restitution Fund”. Been hacked? Lost a few coins when your computer crashed or your brother formatted your hard drive? Reddcoin has committed a percentage of PoSV v2 funding to give back to users legitimately affected by events beyond their control.
Cases of extreme stupidity will be vetted on a case by case basis, obviously fraudulent claims will be laughed at, and all cases will be dependent on a reasonable standard of proof and verification. This is also going to be an evolving and good faith approach to giving back to our real ReddHead community, and will require both transparency and abuse-prevention to be successful, but we look forward to being able to help those who deserve and need it. NOTE: Trading and speculative losses aren’t covered in any of this. Obviously.
6) I WANT TO KNOW MORE!
We’re working right now to rebuild our main website www.reddcoin.com into a more informative and resource-rich site, but it’s a good starting point. We are in the process of updating our roadmap to cover the end of 2020 and the future as well, and both of those should be available and will be announced within the next month.
a. www.medium.com/@techadept
b. www.reddcoin.com/reddpaper and https://reddcoin.com/reddpaper-faq/
c. www.twitter.com/@reddcoin
d. www.reddit.com/reddcoin
e. https://www.facebook.com/reddcoin
7) IS TECHADEPT DRINKING WHILE WRITING THIS UPDATE??
a. Yes. Macallan. Fight me.
submitted by TechAdept to CryptoCurrency [link] [comments]

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Questions and Answers from OKEx AMA with Tron Black - 2/18/2020

https://twitter.com/OKEx/status/1228212766126661633
The AMA was a huge success! THANK YOU TRON!
If you want to see all the questions that poured in when they opened the AMA up for questions from the audience, here they are: https://pastebin.com/KVpyXmgu The Telegram admins had to temporarily mute the group because there were so many questions flooding in from so many people. A *good problem* to have. :)
Below are all the ANSWERED questions.
-------------------------------------------------------------------
[email protected], [18.02.20 05:09]
Here’s question#1:What is your background and how did you come to the idea to create RVN [email protected]

Tron Black, [18.02.20 05:12]
Sorry, I was locked out for minute.

Tron Black, [18.02.20 05:12]
I'm just a tiny part of Ravencoin, and there are some amazing developers (Jeremy, Mark, Cade, and Corbin) that have been brought the new capabilities to mainnet. The core idea of bringing assets to a bitcoin-derived blockchain platform came from Bruce Fenton, a former Executive Director of the Bitcoin Foundation with life-long experience in the traditional finance and stockbroker world. Medici Ventures is allowing some of its developers to contribute to the project. I was fortunate enough to have the right background to help with this project. I have a CS degree, C++ coding skills, economics background, early entrepreneurial success, teaching experience, an MBA, and a burning passion for the crypto-space and how it can change the world for the better.

[email protected], [18.02.20 05:12]
Thanks. Here's question#2: Why did you name the project Raven? What was Raven created to solve? What is the business model of the project?

Tron Black, [18.02.20 05:12]
The name came from Bruce Fenton. Ravens are clever birds with a rich history. Ravencoin makes it easy to create and transfer your own asset. There isn’t a business model for the project. It is a gift to the world in the spirit of Bitcoin. Medici Ventures has allowed some of its top developers to contribute time and effort to the project. Medici Ventures does hold some mined RVN, so it may be a win-win.

[email protected], [18.02.20 05:14]
Thank you for answering. Let's move on to the next question# 3. What are the $RVN tokens used for? What gives it value?

Tron Black, [18.02.20 05:15]
Thank you for asking.

Tron Black, [18.02.20 05:15]
The RVN tokens are used to purchase your own token on the Ravencoin platform.

Tron Black, [18.02.20 05:16]
Those RVN are burned.

Tron Black, [18.02.20 05:16]
RVN is also used to incentivize the miners to secure the chain.

Tron Black, [18.02.20 05:16]
RVN is also used for transaction fees for tranferring RVN or user-created (your) assets.

[email protected], [18.02.20 05:17]
Cool. Here's question# 4:In your opinion what is the unique "selling" point, or best feature, of Ravencoin?

Tron Black, [18.02.20 05:17]
This is like being asked "who is your favorite child."

Tron Black, [18.02.20 05:18]
Except answering it doesn't cost children thousands in therapy so I'll give it a shot.

Tron Black, [18.02.20 05:18]
The best feature of Ravencoin, with the most unexpected results, has been its linkage to IPFS.

Tron Black, [18.02.20 05:19]
This was originally done to ensure that meta-dat about a token doesn't get lost like it has on other platforms like Counterparty.

Tron Black, [18.02.20 05:19]
The linkage to IPFS has RECENTLY been extended to include messaging, and memos.

Tron Black, [18.02.20 05:20]
You can now include information, even a PDF, or a video clip with every transaction.

Tron Black, [18.02.20 05:20]
This is powerful, and I can't wait to see how it gets used.

Tron Black, [18.02.20 05:20]
--------------------

[email protected], [18.02.20 05:20]
Quesiton#5 What are the advantages of using Ravencoin for assets tokenization compared to other blockchain protocols?

Tron Black, [18.02.20 05:21]
Wow. Where do I start?

Tron Black, [18.02.20 05:21]
First, the meta-data about the token can be recorded via IPFS, so everyone knows what the token represents.

Tron Black, [18.02.20 05:22]
Second, the token has a unique name which can help with preventing fake tokens, and allows humang readable "root-of-trust" for the token that isn't just 40 characters of hex (ERC-20).

Tron Black, [18.02.20 05:22]
There explorers for assets, like: https://ravencoin.asset-explorer.com

Tron Black, [18.02.20 05:23]
and https://www.mangofarmassets.com/assetviewer

Tron Black, [18.02.20 05:23]
Wallets like RVN Wallet, MangoFarms Wallet, and Zelcore wallet support Ravencoin assets.

Tron Black, [18.02.20 05:23]
--------------

[email protected], [18.02.20 05:23]
Here's our next question from Twitter# 6: Does being fully community-driven blockchain have its own drawbacks for rvn? You know, voluntarism means no marketing or legal team.

Tron Black, [18.02.20 05:24]
Yes, oh yes.

Tron Black, [18.02.20 05:24]
But the benefits far outweigh the drawbacks.

[email protected], [18.02.20 05:24]
[ Photo ]
📣Group is Off Commenting for a while due to AMA. Will allow back when Q&A session later. Kindly be Patience with us. Thank You🥰

Tron Black, [18.02.20 05:24]
It is just technology that people choose to use.

Tron Black, [18.02.20 05:24]
Ravencoin has attracted the right kinds of people, including donated legal help when it was needed.

Tron Black, [18.02.20 05:25]
The lack of a marketing budget does slow the awareness.

Tron Black, [18.02.20 05:25]
In some ways this is good, and the demand for RVN isn't reliant on promotion.

Tron Black, [18.02.20 05:25]
As other projects stop promotion, or run out of marketing funds, they are at risk.

Tron Black, [18.02.20 05:26]
Ravencoin is just growing slowly and steadily as more people learn about it.

Tron Black, [18.02.20 05:26]
Consider yourself fortunate to have learned about Ravencoin early.😁

Tron Black, [18.02.20 05:26]
---------------

[email protected], [18.02.20 05:27]
Great!!! Here's the next question from Twitter# 7:is it apple to apple if I say that ravencoin is going to disrupt wall street just like bitcoin is disrupting to central banking?

Tron Black, [18.02.20 05:28]
At the very least, Ravencoin will help show the way that tokenization can improve capital formation. It is up to others to take advantage of these new tools, technologies, and features.

Tron Black, [18.02.20 05:28]
It might happen first in countries other than the U.S.

Tron Black, [18.02.20 05:29]
Look at the story of Blockbuster Video (former leader in video rental), and Netflix (current video streaming leader) to see what might happen in the future. Is Wall Street the new Blockbuster Video?

Tron Black, [18.02.20 05:30]
I see similar patterns of arrogance, but only time will tell.

Tron Black, [18.02.20 05:30]
---------------

[email protected], [18.02.20 05:30]
Here's the next question# 8: How will Ravencoin defend hashrate distribution (algo question) if there are important securities issued on this platform (double spend attack)?

Tron Black, [18.02.20 05:31]
Ravencoin doesn't re-org after 60 blocks which helps prevent double-spend attacks -- a feature called NLR.

Tron Black, [18.02.20 05:31]
Also, something to be aware of is that in most cases tokens are redeemed by an issuer which removes the incentive to double-spend.

Tron Black, [18.02.20 05:32]
Example: Let's say the token is a share of real-estate. The laws of the jurisdiction for the real-estate would apply when redeeming for dividends, etc.

Tron Black, [18.02.20 05:33]
Also If the issuer is using the Restricted Assets feature of Ravencoin which have tokens that start with $, then the stolen tokens can be frozen.

Tron Black, [18.02.20 05:33]
Note: Regular assets (not starting with $) can't be frozen.

Tron Black, [18.02.20 05:33]
The issuer of the token should specify how redemption is handled.

Tron Black, [18.02.20 05:33]
--------------

[email protected], [18.02.20 05:34]
Thank you for your detailed answer. and Quesiton#9 How does RVN works? What problem did RVN solve? How do the Tokenomics work?

Tron Black, [18.02.20 05:34]
RVN works like BTC, because it is a code fork of BTC.

Tron Black, [18.02.20 05:34]
RVN lets you create your own tokens in under a minute. It is easy!!!

Tron Black, [18.02.20 05:34]
RVN is required to create your own token.

Tron Black, [18.02.20 05:35]
Heres' the breakdown:

Tron Black, [18.02.20 05:35]
500 RVN burned to create a root asset with a unique name. 100 RVN is burned to create a sub-asset (under a root asset). 5 RVN is burned to create a unique asset (NFT). 1000 RVN burned to be a qualifier. 1500 RVN burned to create a Restricted Asset with special superpowers. 0.1 RVN burned to attach a tag to a Ravencoin address. A small amount of RVN is used, but not burned to transfer assets.

Tron Black, [18.02.20 05:35]
------------

[email protected], [18.02.20 05:35]
Let's move on to the next question#10 Safety and security are always the most important things. So what is the security mechanism of RavenCoin to ensure user assets do not become the target of hackers?

Tron Black, [18.02.20 05:36]
Ravencoin has a strong network of miners.

Tron Black, [18.02.20 05:36]
Most of the original code is from Bitcoin which is probably the most vetted code in the world.

Tron Black, [18.02.20 05:36]
We have run a bug bounty to hopefully find any flaws before release to mainnet.

Tron Black, [18.02.20 05:36]
With all that said, there are no guarantees as this is just source code provided for free that folks choose to run.

Tron Black, [18.02.20 05:37]
If you need absolute assurance, then you should commission an audit of the code. There is no Ravencoin company, just a GitHub repository and a lot of passionate supporters.

Tron Black, [18.02.20 05:37]
-------------

[email protected], [18.02.20 05:37]
Quesiton#11 Nowaday most investors $RVN simply focus on the price of the token in the short term, and not on the real value of the project. Can you tell us about the motivation and advantages of an investor $RVN in the long term?

Tron Black, [18.02.20 05:38]
I can't speak to the motivations of individual investors.

Tron Black, [18.02.20 05:38]
RVN is a great token with good liquidity (world-wide).

Tron Black, [18.02.20 05:38]
RVN is used to incentivize the miners and help protect the Ravencoin asset platform, so it has a use case.

Tron Black, [18.02.20 05:39]
RVN can be a store-of-value, and a medium-of-exchange.

Tron Black, [18.02.20 05:39]
One of my favorite things about Ravencoin is that it is tricky to classify, as it has so many uses.

Tron Black, [18.02.20 05:39]
I love seeing how people build using this technology platform.

Tron Black, [18.02.20 05:39]
Ravencoin makes new things possible.

Tron Black, [18.02.20 05:39]
--------------

[email protected], [18.02.20 05:40]
Here's the next question #12 Who are your competitors and how do you intend to thrive amongst them?

Tron Black, [18.02.20 05:40]
This may sound strange, but I don't see crypto technologies as competitors.

Tron Black, [18.02.20 05:41]
The crypto space is tiny compared to the legacy systems we've had for fifty years, so I look at every project as a way to bring new people into crypto-ecosystem.

Tron Black, [18.02.20 05:41]
If we add value, features, and capabilities, then more people will learn about the Ravencoin platform and what it can do for them.

Tron Black, [18.02.20 05:41]
The ERC-20 smart contract is an alternative asset issuance option, but Ravencoin is much better for most uses, so more education is needed.

Tron Black, [18.02.20 05:41]
https://medium.com/@tronblack/ravencoin-better-than-erc-20-88a276d3e434

Tron Black, [18.02.20 05:41]
--------------

[email protected], [18.02.20 05:42]
Quesiton#13 What is the uniqueness of the Raven token? Why should investors (including me) invest in Raven?

Tron Black, [18.02.20 05:42]
Ravencoin is a platform.

Tron Black, [18.02.20 05:42]
You should evaluate the capabilities of the Ravencoin platform and ask yourself whether it will be used, and whether it adds value over other platforms like ETH, EOS, or TEZOS.

Tron Black, [18.02.20 05:42]
Hint: It does. I try not to provide investment advice, so do your own research.

Tron Black, [18.02.20 05:43]
https://ravencoin.org

Tron Black, [18.02.20 05:43]
https://medium.com/@tronblack

Tron Black, [18.02.20 05:43]
---------------

[email protected], [18.02.20 05:43]
Quesiton#14 What your plans in place for global expansion, are you focusing on only market at this time? Or focus on building and developing or getting customers and users, or partnerships? Can you explain this?

Tron Black, [18.02.20 05:43]
Ravencoin is already a global phenomenon.

Tron Black, [18.02.20 05:44]
South Korea has been onto Ravencoin for some time now, and I had the opportunity to speak at a South Korean Ravencoin meetup that filled an Art Hall with a waiting list.

Tron Black, [18.02.20 05:44]
Because of OKEx, that awareness will expand to China.

Tron Black, [18.02.20 05:44]
Our focus is building and education about Ravencoin.

Tron Black, [18.02.20 05:44]
There is no marketing budget, and we raised no funds.

Tron Black, [18.02.20 05:45]
The success so far has been completely organic, and Ravencoin has the best community of any coin, anywhere.

Tron Black, [18.02.20 05:45]
------------

[email protected], [18.02.20 05:45]
Here is THE LAST question#10 from Twitter before we accept questions from the Telegram chat. what are your hopes with the $RVN listing on u/OKEx Okex going forward?

Tron Black, [18.02.20 05:45]
I hope the OKEx $RVN listing brings awareness of Ravencoin to new parts of the world.

Tron Black, [18.02.20 05:46]
The project is more capable than most people know, and because it was launched without raising any funds, there isn't a marketing budget.

Tron Black, [18.02.20 05:46]
It is up to smart individuals, like yourselves, to figure out what Ravencoin can do, and use the technology to make new companies and new projects.

Tron Black, [18.02.20 05:46]
------------------


+++++++++++++++++++++

Tron Black, [18.02.20 05:57]
>>> When is mainnet launch?
January 3, 2018

Tron Black, [18.02.20 06:01]
>>> A project's Technical development may not always be reflected on the price of it's token. What is raven doing specifically to increase price of its token?
I agree. And I think it is especially true in the case of Ravencoin. The true value may not be reflected in the short-term. The Ravencoin project isn't a company. It will take time. There isn't a marketing dept or budget, but through events like these, and podcasts, and blogs, and new projects building on top of Ravencoin, I think the value will eventually be reflected.

Tron Black, [18.02.20 06:06]
>>>> Give me some important reasons why we need to buy RVN token where in fact hundreds of project failed and it went to bankruptcy or even developers run when they collect millions/billions of funds…? Can you explain it to us

Many got burned during the crazy ICO phase of 2017. Ravencoin did not participate. Ravencoin is technology and a passionate community. If I get hit by a bus tomorrow (heaven forbid), the project will continue because it is free, open-source and anyone can carry it on, or contribute, or use it, or copy it. Ravencoin can't go to bankruptcy. It is code, and it doesn't borrow, or or have debt. Some of the core develoepers, myself included, are allowed to work on the project while working for Medici Ventures. This is a great arrangement.

Tron Black, [18.02.20 06:06]
-----------------

Tron Black, [18.02.20 06:10]
>>>> How does RAVENCOIN evaluate the importance of the user community? In the near future, does RAVEN have any special plans to attract and expand the community ?

The Ravencoin community is the most important and valuable part of the project. There are already clones of the code, but not of the passionate, helpful, and dedicated community. We invite you to become a part of it, and help expand it in Asia.

Tron Black, [18.02.20 06:10]
--------------------

Tron Black, [18.02.20 06:13]
>>>>. RVN is regulatory compliant project for assets tokenization in U.S. Meaning that the assets issued in RVN protocol is fine with the U.S authorities.

Ravencoin provides features that help U.S. issuers stay legal under the existing U.S. rules. I've written about how this can be done, but I would always recommend having your plans reviewed by a competent attorney. The U.S. rules are complex, and from a different era.

Tron Black, [18.02.20 06:13]
---------------
Tron Black, [18.02.20 06:18]
>>>> Ravencoin is constantly finding new big partners.Audience is constantly growing.What’s the secret to this growth rate?

A vibrant, and welcoming community. Technology that solves real tokenization problems. Easy-to-use, so anyone can participate. Not launching as an ICO, so it is fair for everyone.

Tron Black, [18.02.20 06:18]
--------------

Tron Black, [18.02.20 06:20]
Thank you everyone for the fantastic questions. I would like to answer every one of them, but it is after 4am and I should get some sleep. I really appreciate all the participation, and I hope your trading on OKEx goes very well for all of you!!!
submitted by __pathfinder__ to Ravencoin [link] [comments]

If you want to dump BSV... some tips on splitting safely. Don't lose your BCH!

Many people are interested right now in gathering up their BSV coins and dumping them on exchanges. Bittrex has just opened deposits however there is a big caveat:
If you attempt to dump your BSV coins onto an exchange like Bittrex, and you have not properly split the coins, a replay attack could result in permanent loss of your (much more valuable) BCH!!!
For this reason it is essential that you split your coins and verify that the coins are split.

Step 1 : get your coins into Electron Cash

Electron Cash ( https://electroncash.org/ ) is the de-facto wallet for coin splitting since it allows you to connect to both BCH and BSV chains, simply by selecting a different server in the Network dialog.
Important: do not make a separate wallet in Electron Cash and send your coins from another wallet. This transaction might fail to replay, though this failure to replay could be temporary and leave your coins in a dangerous state where replays could happen at any time. Instead, you need to load another copy of your wallet in Electron Cash.

Mobile wallet / other software wallet

We will start by importing your wallet seed into Electron Cash.
Create new wallet with type "Standard wallet". "I already have a seed". For BIP39 seeds (see below) click Options button to enable BIP39 seed, and then enter the path on the subsequent page.

Wallet.dat / other non-deterministic wallets

Some wallets don't use seeds and just generate random addresses. You'll need to export your private keys in WIF format, then create a new Electron Cash wallet using "Import Bitcoin Cash addresses or private keys".
If you are using my coin splitter tool, there is a bug with imported-address wallets that prevents using the splitter from Tools menu. So, right click on the address to do splitting that way.

Hardware wallet

Try to set up your hardware wallet in Electron Cash. This lets you transact on both BCH and BSV chains even if the official software for your hardware wallet (such as Trezor's) does not support this.

Step 2 : split your coins

Although there are tools (like my special variant release of Electron Cash) for making split guaranteed split coins from scratch, there are easier ways. In particular if you can get a small 'dust' split coin from someone else, then you can leverage this to rapidly split your whole wallet. I recommend following Calin's guide here.
BCH split dust sources:
Calin's guide also has instructions on how to select BCH and BSV servers, so it's a good read regardless.
There are some cases where a BCH transaction fails to replay initially but then later gets replayed. This could mean that your initial 'dust' initially looks like a split coins but is not, and the replay protection is faulty. For this reason, you should also make a conflicting transaction on the BSV chain, by spending at least one of the same transaction inputs back to yourself.

Step 3 : wait a bit, just to be safe.

With threats of block re-organization attacks floating around, you should wait several confirmations to make sure the splitting 'sticks' and is effectively irreversible.

Step 4 : verify the split

Visit these two block explorer sites and enter the transaction IDs of both your BCH splitting transaction, and your BSV conflicting transaction:
BCH explorer: https://blockdozer.com/
BSV explorer: https://bchsvexplorer.com/
On each site enter both transaction ID's. You want to ensure here that transaction A is only on BCH chain, and transaction B is only on BSV chain.
If you have failed to split, then one txid will be on both chains. If this happens, don't worry! You can just go back to step 2 and try again.

Step 5 : send BSV

Now that your BSV is split from BCH, you can send it whereever you want without fear if having your BCH accidentally dragged along with it.
I cannot provide any advice on what you should do, financially, with your BSV coins. Good luck, and stay smart!
submitted by markblundeberg to btc [link] [comments]

Electrum default_wallet file - corrupted - pls help me! $6647

Hi. I go straight to the point:
In 2015, I bought 0.7 bitcoins for which I paid about $ 70. I installed the Electrum wallet and chose the offline wallet variant.
After a week my computer crashed, but I managed to save all files from my wallet, including my default_wallet file. I uploaded these files in my dropbox. Unfortunately, when I had reinstalled my computer, I had been sloppy with my seed-phrase, its lost.
One another strange thing is that my default_wallet file seems to have become corrupt. I have read and studied pretty much all the tips and guides available on Google regarding my problem. I have tried to download Bitcoin Core wallet, electrum and all versions that have been released, I have tested Hex editor, I have tried to install the pywallet but it does not get the python to work.
My idea is that file may have somehow been saved in another file format when I uploaded it in dropbox, to do so is since I uploaded the file that it suddenly became corrupt. I also wonder if it should only be called default_wallet and not wallet.dat? I currently have a "file" and not a dat file.
Could the reason for it being "corrupt" be that the file is encrypted? How to decrypt the file if so?
Is it more difficult to solve this because I have an offline wallet? I want to emphasize that I have all passwords to Electrum / wallet file, but as I said not my seed phrase.
My plan is the following: Of course I have to solve so the file is fixed, then I create and new wallet and synchronize it to the network. Then I replace the existing wallet file with my existing one and then hopefully open the wallet flawlessly.
As you may notice, I find it difficult to put my finger on what to do, or what is wrong, i really hopes someone can bring some smart ideas.
At the time of writing, my 0.7 Bitcoin's is worth $ 6647.
I give $ 2000 of this money to the person who helps me, or comes up with a tip to fix this mess.
I stand by my word. And I also want to apologize for my bad English, I did my best and if there are spelling mistakes it is Google Translate's fault. :-)
Regards, S
submitted by Samwisesweden to Bitcoin [link] [comments]

I think I've messed up my backup wallet

So a few months ago I have had bitcoin core running with a few addresses, I was going to sell my pc and before formatting everything I have wrote down the private keys. I haven't read online how to do it so I've copied the private keys which I think might still be encoded (I've had a password on the wallet?) all my keys start with L and have 52 characters...
The problem that I have is that whenever I try to sweep these keys into exodus or bitcoin core it tells me that the keys are invalid(which leads to me thinking that they are indeed encoded) is there any way to decode those keys or try something that will decode them when I enter the password? any help is greatly appreciated as I'm pulling my hair out thinking about this. Thank you

Edit: I also have the origional wallet.dat file (or at least I hope it's origional as my hdd started having issues crashes ect.) but whenever I copy it into the folder for bitcoin literally nothing happens (apart from scanning the blockchain and saying I don't have any addresses) Would it be easier to recover data from this file?
submitted by quickQuestion12asd to Bitcoin [link] [comments]

The International 2018 in Vancouver FAQ (Updated!)

Hey there again, you punks.
So with a tip coming from some of the moderators on the board, I've decided just to quickly update this FAQ that I wrote a few months back since TI is next week and I'm sure many of you still have a ton of questions. I've gotten some more information that I can pass down to you in regards to Vancouver but also now TI as well, including updated marijuana laws and beer recommendations.
Two quick notes:

VANCOUVER WEATHER

This summer has been an extremely hot season in Vancouver (at least in Vancouverite standards). Like anyone who attended in Seattle last year, there is noticeable smoke in the air in the city due to the fires all over the Pacific North West. If you have breathing issues or health related problems do to particles in the air, be advised that there is currently an Air Quality Advisory in effect so act accordingly. Wind/Rain will most likely clear up any issues going into next week, but just a heads up in case new fires flare up or we aren't blessed with some light rain. Forecast is looking to be sunny through midweek and the finals, with an average of about 23-25C.

THE PACIFIC NATIONAL EXHIBITION IS OPEN!

A staple for Vancouver residents since 1910, the PNE will be open from August 18th-September 3rd (closed on August 20th & 27th). If you're looking to do something after a midweek day, the PNE is the perfect place to go checkout for a fun night out filled with events, concerts, beer gardens, crazy carny food, rides, maybe BSJ, shopping and a lot more. This article will tell you everything you need to know about the PNE, how to get there and what's going on.
ALSO BOYZ II MEN AUGUST 18TH GET HYPED.

PLACES TO STAY

Yes, but it's not exactly regulated by AirBnB. Feel free to stay at one through AirBnB but know that it might be a little tricky to deal with issues if they come up with your rental. Also while you're at it, check out VRBO.
The general piece of advice you'll get from any local about where to stay for TI is going to be anywhere that's on the Skytrain Expo Line (the line in dark blue). The Expo Line will take you to Stadium-Chinatown station, which is where Rogers Arena is 30 seconds away. As in Seattle, the closer to downtown you are, the more expensive it is to stay.
Unlike Seattle Center, there aren't very many budget hotels left, if at all in the Downtown core. The cheaper hostels are available, though fair warning, many of them are placed on Granville Street, which is a place that many Vancouverites will tell you to avoid while you're here (Though I have never stayed at a hostel on Granville, if anyone has an experience, feel free to share). Check out the Ramada Inn and the Days Inn near Waterfront for some cheaper-ish options.
In my mind, there are two places that I would keep a look-out for avoiding while you visit Vancity.
  1. Granville Street. During the day time it's normally fine, filled with some cool shops (Golden Age Collectibles, The Rock Shop, Movieland Arcade) but it's packed to the absolute max with dumbasses at night due to the amount of night clubs. There's police around every weeknight, but since you're in Vancouver for a good time, head towards Gastown, Chinatown or Main Street for places to party.
  2. Downtown East Side. If you've researched anything about Vancouver, you'll know that this area as where a large portion of the cities homeless reside. There is rampant drug use, poverty and sex work in this neighborhood, focused mainly between 5-10 blocks in the area of Main/Hastings. That being said, the community is an especially strong one, with fantastic human beings supporting the less fortunate. Though there isn't too much danger in terms of being robbed, you might want to just avoid the area at night. Be respectful to the people of this community and you'll have no problems.

TRANSIT

Sadly, no there isn't. We know, it absolutely sucks and everyone in Vancouver is aware. Your options are public transit or a taxi.
Super shitty if you don't like paying for parking. If you can, park outside of the Downtown core near a Skytrain and then head over to the Arena. Commercial Drive is pretty good for this if you can find certain spots. Tinseltown as well if you buy a movie ticket on non-event days.
If you've ever been to any major city, you'll notice that Vancouver shares the same load-up card/tap system that places like London share. It's called Compass Card and it's fairly easy to use. Just load up money onto the card, tap it when you enter and tap when you leave. It'll do all the calculations for you. Note that certain zones will cost more just due to how far you're traveling.
Yes it does! Car2Go and Evo are two of Vancouver's most popular car share services. Hot tip would be to register before you head over to Vancouver and it'll help mitigate the fact that UbeLyft aren't in Vancouver just yet. Just drive safely.
The easiest way to get to downtown from YVR, if you aren't getting picked up/taking a taxi is to take the Canada Line. It will take you directly to Waterfront station, from there you can take multiple buses, the Expo Line (the main line that will take you to Rogers Arena) or the Seabus (going to North VancouveLonsdale).

ALCOHOL

19 years old.
Vancouver has an exploding craft beer culture and you'll be happy to find that the variety of different beers/ciders to drink is absolutely massive, probably to the point of being intimidating.
Here are some of my favorite breweries and the beers that you should look out for when you're at the liquor store/pub:
Twin Sails Brewing
Dat Juice Pale Ale
Two Straws MilkShake IPA
Short Pants Mosaic IPA
Brassneck Brewing
Changeling Sour
Passive Aggressive IPA
Bjorn Again Farmhouse Ale
Steel & Oak
Changeling Sour
Passive Agressive IPA
Bjorn Again Farmhouse Ale
Bomber Brewing
Bomber Parklife Passionfruit Ale
Bomber Pilsner
Bomber Snow White IPA
Yes. First, there isn't any drinking in public if you already didn't know. Second, you must have TWO pieces of ID on you whenever you go to buy drinks in case you're asked for your ID. First piece must be photo ID, the second piece must be something with your name on it (in order for bartenders/servers to validate the first piece). I see a lot of tourists thrown off by this, so just know that Vancouver's liquor laws are much more strict than other places.
I've heard from a few Vancouver residents that this isn't exactly enforced harshly, but just to note that it is an actual law. Piece of mind.
%.05. There will be a ton of pubcrawls and side events going on for people that are attending TI and I'm sure that you'll be blasted one night or another. Please don't drink and drive. If you need a cab, here are the numbers you can contact in order to grab a taxi from downtown.
Yellow Cab: (604) 681-1111
Black Top Cab: (604) 731-1111
MacLure's Cabs: (604) 831-1111
Also, a note for people from outside of Vancouver: the cab drivers in this city are notorious for being hard to deal with at times. Broken debit machines, cash up front, not providing receipts. Use your common sense to get you through pushy cabbies. If they have a broken debit machine and they are still driving, kindly reject them and give your business to another cabbie that will. UbeLyft will be here soon and karma will bite them back.
If at anytime you are in an emergency and don't know what to do, please DM me and I will provide my contact info.

FOOD

Vancouver is a glutenous paradise of places to eat. Instead of giving you specific places to go eat, here are some links that you might find helpful in terms of recommendations:
Meowjin's Guide to TI8
The 38 Essential Vancouver Restaurants
It's To Die For List
This is not confirmed at the moment, but if the rules were anything like Seattle, you will be able to bring outside food into the arena. You are not permitted to bring liquids into the venue. You'll have to dump out your water bottle and refill it once inside. Rogers Arena might have different policies, but thankfully the venue has twice the amount of food stalls including a much more varied selection.
Everyone from Vancouver attending will hate me, but this is going to be one of the hottest tips I can give you: there is a Costco food court DIRECTLY across the street on the lower level of Rogers Arena that DOES NOT require a membership in order to buy food. It is the only Costco food court in Canada that doesn't need a membership to eat there. Hot dogs, poutine, pizza, soft drinks, ice cream and it's all lovingly Costco cheap. Enjoy!

MONEY

Visa/Mastercard are widely accepted everywhere. Cards such as American Express/Discover are also accepted most places, though a few places might reject them for whatever reason (higher charge rates, issues with their machines etc..) Best case would be to make sure you have a Visa/Mastercard with you at all times as a back-up in case you run into any issues. Most places in Vancouver also allow you to use Android/Apple Pay now as well. No bitcoin though.
Well, that's entirely up to you. If you're staying the full week, a few hundred dollars in spare Canadian currency won't hurt you, especially if majority of your spending is going to be on plastic. There's going to be the Secret Shop, but that'll be done through online ordering and not cash payments. Just don't come with nothing. Worst case, always have at least $30-$40 cash on you just in case you run into a bind. It's really entirely up to you and how you plan on spending your time here. Do note that because of the low Canadian dollar, don't be surprised if the price of certain things is higher than usual.
By far it would be the Vancouver Bullion & Currency Exchange due to their lower exchange rates. Banks will more than likely charge you higher rates than the VBCE.

ETIQUETTE

Due to the amount of fires that have started in the Pacific North West the past month or so, please do not throw your cigarette/joint butts into the street, sidewalk, bushes or wherever that isn't a proper garbage. You'll get a ton of dirty looks by locals if you do otherwise.
Canadians are known to be rather polite, we'll answer questions for you or guide you in the right direction (as long as we aren't in a huge rush). As long as you're respectful of the people around you, take care of your hygiene, don't spit on the ground, talk over people in conversation or just avoiding being a total dick, you'll be fine. Though Vancouver is a somewhat socially cold city, that's mainly in dating circles. Get some new Bumble photos up!
Most places won't have the tip included in your bill. It's common courtesy to tip between %10-%15 of your final bill if you enjoyed your meal/drink/service. Feel free to go higher if you had a really excellent time. Some places do include the tip in the bill, but will have it noted usually at the bottom of the menu.
A few. Remove your backpack when you're boarding a bus/SkyTrain in order to create more space for the people around you. Hygiene again is a big one. Remember to fill your Compass card and check your remaining balance at least once a day in case you're transiting a lot. If you see elderly/disabled/parents with strollers attempt to come on board, the polite thing to do would be to offer your seat etc..
Don't worry at all! Vancouver is an extremely multicultural city and the residents here are used to hearing many different languages daily. Best bet is if you struggle communicating with anyone for any reason, download the Google Translate app and use it to answer questions you might have in a discussion.
Use common sense. Most players/talent would be more than willing to sign an autograph or pose for a photo with you. But also be aware that much of the on-screen talent (Slacks, Kaci, panel members) will often have to be running from segment to segment, taking in matches and so on. If they seem to have a minute, ask nicely, thank them for their time and cross one off of the bucket list.
Don't throw things at Slacks.

THE ARENA

No update on this. Rogers Arena is mainly a concrete concourse, surrounded by a viaduct and multiple lower roads. Unlike Seattle Center (which had multiple fields and smaller available venues), the only place large enough outside the Arena that could hold a large crowd with a big screen would most likely be the "main" entrance through Expo Blvd/Pat Quinn Way. There are a few other options in the area, but we're going to have to wait to see how creative Valve is with the space around the Arena. Perhaps they rent out the adjacent parking lots?
No update on this also, but again, there's a lack of outdoor space beyond the concrete concourse. Sportsbar Live will be open, which also gives a view of inside the Arena while you're eating/drinking. But again, it's indoors.
From what I remember from Canucks games, yes, there are stations where you can plug your phone in to charge. But don't be surprised if a company like NVIDIA pops up a charging station outside much like in Seattle.
18,630.
One of the more obvious differences that most people will find from Key Arena to Rogers Arena, is that unlike Key Arena, Rogers doesn't have an open space concept between levels. Meaning, you won't be able to just look up to the third floor and see players hanging out like you normally would. This year, they most likely will be held in the boxes above or in the dressing rooms in the lower levels. Look for autograph times scheduled throughout the week to see your favorite players.
The only thing right now is a Vancouver Whitecaps (MLS) game on August 18th and a BC Lions (CFL) on the 25th. So if you really feel inclined, now you know.

WEED

When: On October 17th, weed will officially be legalized in British Columbia and most parts of Canada.
How: Normally you need a medicinal prescription to purchase marijuana legally. Though, because of the soon to be legalization coming up in a few months, most dispensaries will most likely write you a prescription if you tell them a valid medical reason for the marijuana (Trouble sleeping, chronic joint pain, back pain, headaches, trouble eating etc.). My friends who smoke themselves told me that hot tip, so do with it what you will. Please DO NOT buy weed from a source that isn't verified by another trusted person or a licensed dispensary. You never know what your weed could be laced with.
Where: Here are some dispensaries located close to Rogers Arena.
Bloom Medical Dispensary
The Dub Dispensary
The Medical Cannibis Dispensary
You can't smoke anywhere that frequents children, even if there aren't kids around. So no beaches, public parks, playgrounds etc..
So just, anywhere that's away from people that don't want to partake essentially.
????????????

TICKETS

If you weren't able to buy tickets from Ticket Master, you have a few options.
Post in the TI8 Vancouver Subreddit and ask if anyone has a spare ticket.
Buying tickets from scalpers in front of Rogers Arena is fairly easy and shouldn't be difficult if you understand the basics of haggling.
  1. Know what you're comfortable paying and stick to it. Always remember that number.
  2. Be prepared to just walk away. The longer you stay negotiating, the more you show the scalper how important it is for you to buy the tickets. Play the long game.
  3. The less you talk, the less information you give the scalper. If he says he's got a Midweek ticket for $300, shrug and say no thanks.
  4. Have money in your hand/wallet when you're trying to buy tickets. When they see that the cash is right there, they'll be more inclined to just make the deal and move onto the next one.
You will most likely miss the opening ceremonies, but after that the prices for Midweek tickets will normalize and scalpers will want to just get rid of their tickets at a lesser price.
The advantage you have in this instance is that Vancouver, outside of the LoL tournament at Pacific Colosseum, doesn't have much experience with esports tournaments. So scalpers themselves won't have the same level of patience. The longer you wait to buy your tickets from them, the cheaper you can get them for. Only downside is that you'll be missing games.
The other thing you can do is literally just walk around the outside of the Arena and spot non-scalpers with extra tickets. There are always people who buy extra tickets and are just wanting to get their money back (friends flake on them, they couldn't flip them like they thought).
DO NOT panic and end up buying an overpriced ticket from StubHub, Craigslist or wherever. Tickets will be available, you just have to keep your cool.
The box office at Rogers Arena is located at the bottom of the venue on Expo/Pat Quinn Way at the Toyota Ticket Center. You can pick up your tickets between these times:
Mon, August 20th: 7AM - 9PM
Tue, August 21th: 8AM - 9PM
Wed, August 22nd: 8AM - 9PM
Thu, August 23rd: 8AM - 9PM
Fri, August 24th: 8AM - 9PM
Not sure about the box office times for the Finals. Will update that when I know.

FIRST TIME ATTENDING TI

So first off, understand that EVERYONE there is going for the same reason you are, DOTA. Don't be afraid to go up to people, say hello and start conversations. If they shrug you off, fuck them, they don't deserve your brilliance. Enjoy yourself. Worst case, just create a thread on DOTA saying that you want to go shotgun a few beers. My first TI was pretty much by myself, but the combination of a beer + a garden really did wonders.
Simply put, don't worry as much as your mind is telling you to worry. All the talent (casters/players) are incredibly friendly and are pretty much the same as us, just super stoked to be there. But do give them space if they're working or running around to the next thing.
During TI, after every First Blood in a match, there are potential drops given to in arena attendee's who have registered their badge with their Steam ID. There will be a Steam Link kiosk/section OUTSIDE of Rogers Arena, so look out for it. You must have tapped into the Arena in order to be eligible for those drops.
The link to register your badge to be eligible for these drops will be on the back of your badge when you receive it.
Try to pack as lightly and efficiently as possible. My two main staples during the last two TI's were a water bottle (usually given out in a goody bag for midweek + finals ticket holders) and a portable battery pack for my phone. Also know that you might buy things from the Secret Shop, do some shopping downtown and the last thing you want to do is carry that stuff around with you all day. Though consider bringing a sweater for inside the Arena, as Rogers is a fairly cold one.
HOT TIP
Try checking with bell boys/concierge at any hotels if they can possibly check in some of your bags for you. I tried this at TI7 and was surprised how chill they were. I left them a $5 tip for taking my bags and was free for the rest of the day.
Avoid the Secret Shop on the first day or else you'll just spend the entire day waiting in line. Midweek the shop lines will be much more reasonable.

MISC

Well formatted thread to get you started.
Also a well-detailed Google Map of venues/places that should interest people attending TI for places all across Vancouver
Depending on your situation, here are numbers for emergencies in British Columbia.
Ambulance, fire, police: 911
Poison Control: Lower Mainland: 604-682-5050 Toll-free: 1-800-567-8911
Healthlink BC: 811 Deaf or Hearing Impaired: 711
Crisis Intervention & Suicide Prevention: Call 1-800-SUICIDE (1-800-784-2433) if you are considering suicide or are concerned about someone who may be.
Mental health support: Call 310-6789 (no need to dial area code) for emotional support, information and resources specific to mental health.
That is Roger Neilson, former Vancouver Canucks head coach and the inventor of towel power. Please treat it nicely!
Right here.
How sweet of you to ask! That would be Lush by Snail Mail.
Please, if you feel like you need to ask any questions, or there should be things added to this FAQ, post here or DM me. There are obviously some things that no one knows right now in regards to potential additions or subtractions from moving the event from Key Arena to Rogers. But I'll try my best to keep this thing updated if people bookmark it for future use.
Enjoy planning your trip to TI!
submitted by Arashie to DotA2 [link] [comments]

Colin gives a rundown on Nexus layered architecture

This is an excerpt from a much larger impromptu Q&A on Nexus Telegram, and provides an excellent overview of Nexus architecture. (edited for clarity)
---------------------------------------------------------------------
Paul Screen, [10.09.19 22:03]
[In reply to CryptoJoker]
yes it is. There's no question that ethereum and it's direct competitors that offer turing-complete programmable contracts are very powerful. But when you actually look at the requirements of businesses trying to onboard to blockchain, we found that most of them just need simple requirements met and don't need all of the complexity and baggage that comes with it.

CryptoJoker, [10.09.19 22:04]
[In reply to Paul Screen]
ok so ca u run only simple multi conditional transactions on the nexus VM or facebook type DAPPs on nexus ?

Viz., [10.09.19 22:09]
[In reply to CryptoJoker]
Nah the VM is the interpreter so the language fits on top, we haven’t designed nexus to be a programming language this is an approach we didn’t agree with. It is APi based so you can code in any language and work with the functionality of the blockchain layer for what you need it to do. No you can’t port EVM code into Nexus

CryptoJoker, [11.09.19 00:22]
[In reply to Viz.]
when you make an api request, does this result in computations done on the blockchain ?

Viz., [11.09.19 00:23]
It depends on the API request, if you do let’s say users/list/notifications then no as this is reading data, but finance/credit/account would since it broadcasts a transaction with OP::CREDIT

CryptoJoker, [11.09.19 00:24]
[In reply to Viz.]
ok thanks , and can you provide me an idea of the flexbility of the VM on nexus ? can it run like facebook type dapps for example ?

Viz., [11.09.19 00:28]
It depends, it depends on what you want the blockchain to do and don’t. Dapp is an overused word and overstated in capability because a blockchain isn’t a computer and shouldn’t ever be, it’s a verifier. So, if you wanted to make a social network on nexus, trade tokens, chat, sure you could. A lot of functionality will be in the logical Layer as there’s no point to compute let’s say an image compression on the blockchain, you would on the logical Layer compress it, hash it, then build an object Register to hold the meta data associated with it that includes the checksum, include description. Then to update, you change the state in the object register, etc. If you wanted to do conditions in some of these interactions you could program the Boolean expression in such as, I’ll sell you this object for 5 NXS, someone is able to claim the transfer based on the condition of their debit, so on.

CryptoJoker, [11.09.19 00:29]
[In reply to CryptoJoker]
how does the functinonality of the nexus scripts compare to that of bitcoin scripts ?
is it fair to assume this:
bitcoin scripting < nexus scripting < ethereum type smart contracts ?
it seems like its mostly built to handle only transactions ...

Viz., [11.09.19 00:31]
[In reply to CryptoJoker]
Not really, our architecture is completely different, hard to compare functionality. Let’s just say bitcoin scripts are slow, clunky, and stack based and only handle a Boolean expression to spend inputs, ours is a register based system with primitive operations and conditions that all interact to provide contract functionality

Viz., [11.09.19 00:31]
[In reply to CryptoJoker]
You miss what the term register means then
And “programmable data structures”

CryptoJoker, [11.09.19 00:31]
[In reply to Viz.]
yes, this is the first time i am encountering this
i also dont have a programming background unfortunately

Viz., [11.09.19 00:33]
A register is a structure that on hardware is what your cpu uses to store numbers in low latency memory (close to the CPU in its internal cache).... hang on, switching to computer...

CryptoJoker, [11.09.19 00:34]
[In reply to Viz.]
ok this is all fine and good, but i guess for a layman like me i just wanna know what its functionalities are in comparison to EVM type VMs ...
what can it do in comparison to EVMs, and is it fasteslower, more expensive/cheaper ?

Viz., [11.09.19 00:36]
Let me explain it like this: Ethereum is like everything put in one bucket, it has a turing complete byte code because they imagined you could program it like a universal computer. The reality is though, that most people abstract away from the EVM and use it for pure data storage, or managing accounts and tokens. They include operations like EXP for example, and use what is termed "Big Numbers" which are numbers that are in the range of 2^256 which is a number with over a hundred zeros. This has led to significant bottlenecks, and little value in being turing complete even though this was their value propositiion.

Viz., [11.09.19 00:36]
Now we get to Bitcoin, which was deliberatly not turing complete, and its scripts were designed to control the conditions on spending inputs in the UTXO model, in which it has proven useful, and some scripts such as OP_RETURN have allowed people to store data on it, but then again it aws not useful for much more than that.

Viz., [11.09.19 00:37]
Then we get to us, think of us between bitcoin and ethereum, but building contracts to act like contracts between people, rather than computer code.

Viz., [11.09.19 00:41]
So think of us as a blend of the two concepts, but in a way that is practical and useful for developers. From my research of talking to many companies that were using blockchain, I deduced a simple common denominator: nobody used ethereum for the turing completeness, they used it to store data. This was the foundation of the architecture that I developed for tritium that is a seven layer stack. So I'm going to break this down, and hope this communicates how it functions to create smart contracts or dapps in just about any capacity that's needed:

Viz., [11.09.19 00:41]
  1. Network - this is responsible for end to end communication between nodes, handling the relaying and receiving of ledger level data

Viz., [11.09.19 00:43]
  1. Ledger - this is responsible for ensuring all data is formed under consensus and is immutable by nature. This is where your 'sigchain' or blockchain account exists. A sigchain is a decentralized blockchain account that allows you to login from any node with a username, password, and pin without the need for wallet.dat files or constantly rescanning the database. This is an important piece to how the layers above work as well, think of it as a personal blockchain that allows decentralized access through the login system that does not store any credentials, but rather deterministically creates a 'lock' mathematically that only your credentials can unlock, using a few different cryptographic functions I won't name here

Viz., [11.09.19 00:46]
  1. Register - this layer is the data retention layer, or the layer that stores information relating to users. A register takes two forms: state and object. A state register is jsut a simple register that can store data in any sequence with no formatting enforced by the ledger. This would be for applications that have a state they want to remain immutable whih they can record in a state register. The second form is an object register, which is a programmable data type. What this means is that I can specify the fields of this register, and set some of the fields to be mutable or immutable such as lets say S/N would be immutable, but notes mutable. This allows objects to take the form much like a struct or class in object oritented languages, that can be accessed by any node, and only written to by the owning sigchain. Now registers sit on top of the ledger, and they can be transferred between sigchains or users, allowing them to take a natural form as assets or simple objects that would be included in a decentralized application such as a crypto kitty, or a post yoj make on social media, etc. This layer is responsible for managing all these states and ensuring the specified fields in these states are immutable, while other fi9elds can be updated like a program would do as it operates.

Viz., [11.09.19 00:51]
  1. Operation - this layer is what gives context to a register and causes some action to take place. It includes two aspects to this layer, Primitive operations and Conditional operations. A contract object is a self contained object containing: a register pre-state (the register that is being operated on), a primitive operation (only one primitive operation per contract), and a set of conditions (any amount of conditional ops may be used for a fee of course). The primitive operations are basic ones like WRITE, APPEND, DEBIT, CREDIT, TRANSFER, CLAIM, CREATE, AUTHORIZE, TRUST, CONBASE, GENERATE. Each of these has a specific operation on the register it is initiated in. This is how you would maintain the state of a decentralized app, lets say crypto kitties, you have an object register that you create with OP::CREATE that has a specific meta data format associated with it, you then OP::TRANSFER it to someone else, but you gie a condition saying they must send 500 NXS beforehand, and this is the stiuplation of the TRANSFER being CLAIMABLE. When this ondition is satisfied you are able to claim the other point allowing for forms of exhange. Other stipulations or conditions could be arbitration, escrow, etc. Conditions are when there is an interaction between two actors or sigchains, which happens with a DEBIT or TRANSFER. Otherwise the other primitive oeprations act on the register such as changing its state.

Viz., [11.09.19 00:52]
  1. API - This layer is responsible for giving an interface for the programmer to build their DAPP. This gies them direct access to login, create registers, create accounts, send coins, read data, manage notifications, etc. This is the layer develoeprs will interact with when building applications.

Viz., [11.09.19 00:53]
  1. Logical - This is the first 'developer' layer, menaing that this is the layer that will give most of the logic to the application. This coudl be simple things like, send message to this user if they have this object that has a value of 'you're my friend' ,or antything else. This layer is the 'backend' of the dapp, and what provides a lot of the functionality. States can be read and written into the register layer, information from the ledger can be shared, stipulations on interactions can be applied. etc.

Viz., [11.09.19 00:54]
  1. Interface - This is the 'user' layer, where the user will interact with. This in the facebook example would be the website you go to, and all the buttons that do fun stuff. This is the last layer of the 'developer' application space.

CryptoJoker, [11.09.19 00:54]
thank you
big applause!!!!

CryptoJoker, [11.09.19 00:56]
ok so to summarize my understanding of this
3 allows for creation and transfer of digital assets/objects
4 governs the operations that on objects in 3
5 interface between dapp logic and registeoperations layer
  1. this is where the "dapp" is written by developers
am i right ?

Viz., [11.09.19 00:57]
So as you can see, all these layers together are what form the foundation of a dapp, with the blockchain doing some things, the application does other things. They togheter give the blockchain scability and easy to build on, and also give the appliation powerful tools to utilize. For example of an object register, your NXS account. It contains fields identifier and balance. The identifier identfies the token's contract-id or object register, and the balance keeps track of how much you have at stake. Object registers can be polymorphic though, so you can create an object register with tehse two base types, but add, notes, which you could fill with personal notes and the DEBIT and CREDIT operations would process it off of the base object, or the account menaing that you can expand from these basic objects and create many different types and uses, creating object oriented and polymorphic behavior

Viz., [11.09.19 00:57]
3 is simply where they are store, it takes 4 to create the object
5 yes
6 yes plus 7, the dapp space is layers 6 and 7 together. If the dapp developer is really good though, they make custom API's with more complex contracts under the hood to provide additional functionality to their dapp, but we currently abstract the developer away from this to prevent them making mistakes that could lose people a lot of money

CryptoJoker, [11.09.19 00:59]
whereas for the EVM, 3,4,5,6 and 7 are all bundles into one entitiy, am i right ?

Viz., [11.09.19 00:59]
And last note, on layer 4, the conditional statements. These also operate on a register based VM that processes the conditional statements, and they can be grouped with as many different conditions as desired, so they can grow into quite complex contracts like we would see with legal contracts.

Viz., [11.09.19 01:00]
EVM doesn't really have layers
It's just EVM opcodes, and then the compiler for solidity which creates the byte code, so maybe two layers
Same with bitcoin scripts
But bitcoin scripts dont have a compiler that creates the byte code so you have to program it as a type of assembly

Viz., [11.09.19 01:01]
So long story short is, our techniques and architecture are quite unique, and designed around years of market research to ensure that it was built as something that people could use easily, but also powerful enough to power the dapps people want to see

Viz., [11.09.19 01:03]
The login account is really important for adoption in my opinion, because users having to manage keys wont bode well for applications that expand, lets say like supply chains or other mobile applications. Managing keys in a file on your computer I think is a big hurdle to mainstream adoption, the other one is the complexity of EVM and how little practical appliation it has, even though it contains a lot of functionality, most of it us unused or abstracted away from
submitted by scottsimon36 to nexusearth [link] [comments]

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