22 May, 2018

ViaCoin

Viacoin Core integration/staging tree

Build Status

https://viacoin.org

To speed up sync process: https://bootstrap.viacoin.org/

What is Viacoin?

Viacoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Viacoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Viacoin Core is the name of open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the Viacoin Core software, see https://viacoin.org/en/download

License

Viacoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built and tested, but is not guaranteed to be completely stable. Tags are created regularly to indicate new official, stable release versions of Viacoin Core.

The contribution workflow is described in CONTRIBUTING.md.

The developer mailing list should be used to discuss complicated or controversial changes before working on a patch set.

Developer IRC can be found on Freenode at #viacoin-core-dev.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The Travis CI system makes sure that every pull request is built for Windows, Linux, and OS X, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Viacoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

Translators should also subscribe to the mailing list.

Latest Version: 0.15.1 is released ! March 31 2018
Note: The roadmap has been completed. Segwit is activated.
2018 Roadmap: https://viacoin.org

2017/2018 whitepaper: https://github.com/viacoin/documents/raw/master/whitepapers/Viacoin_whitepaper.pdf
2018 roadmap: https://twitter.com/viacoin/status/963397984510726145


Specifications:
Name: Viacoin
Symbol: VIA
Algorithm: Scrypt (POW)
Block time: 24 seconds (25x faster than Bitcoin)
Difficulty retarget: AntiGravityWave (every block)
Total supply: 23,176,392.414590
Circulating Supply March 2017: 22,487,679

Auxpow/Merged mined with Litecoin
Merged mining allows a miner to mine for more than one block chain at the same time. The benefit is that every hash the miner does contributes to the total hash rate of both (all) currencies, and as a result they are all more secure.

Github source
https://github.com/viacoin/viacoin/releases
https://github.com/romanornr/viacoin Repo for Segwit –> Continued temp on Gitlab, merging in Master later

Windows 32 Bits

Windows 64 bits

           Paper wallet

Viacoin bootstrap by cryptochainer.com: http://108.61.216.160/cryptochainer.chains/chains/Viacoin_blockchain.zip

Virus total link 64 bits build: https://www.virustotal.com/en/file/9ab23d33a7c016dc506d1b0411231c401bed94c8b80d3fb0341e423d0b494441/analysis/
Virus total link 32 bits builds: https://www.virustotal.com/en/file/a9e9628fc892f49ae773bc5d2d37c2d576263bd93ebbcdb1d3caa987c8982a77/analysis/

The following mining pools are available for mining:
https://www.ipominer.com
https://www.multipool.us
https://prohashing.com

Merged mining is enabled on the following pools:
https://www.f2pool.com/ (Discus Fish)
[One of the biggest Bitcoin mining pools]
https://ltc.suprnova.cc/ (Litecoin merged mined with Viacoin)

Poloniex: https://poloniex.com/exchange#btc_via
Bittrex: https://www.bittrex.com/Market/Index?MarketName=BTC-VIA
Yobit: https://yobit.net/en/trade/VIA/BTC

Litebit: https://www.litebit.eu/en/buy/viacoin
PAYMENT OPTIONS: IDEAL, SEPA BANKWIRE,CRYPTOCURRENCY, CREDITS, SOFORT, GIROPAY, BANCONTACT & MYBANK

Litebit also has an online Viacoin wallet to store your purchased coins but that’s optional.

Miscellaneous:
https://medium.com/@viacoin/cryptography-part-2-elliptic-curves-9537956938a1#.ygpqzdrnz (“Cryptography part 2: Elliptic Curves”)
https://medium.com/@viacoin/techology-primer-part-1-rsa-encryption-b98be35e189f#.btz3jq2cy (“Technology Primer part 1: RSA encryption”)
https://medium.com/@viacoin/the-importance-of-fungibility-c2158eef2086#.jjt60se7q (“The Importance of Fungibility”)

Viacoin in the Media
2017
https://bitcoinmagazine.com/articles/which-altcoins-are-implementing-segwit-1481577969/
https://bitcoinmagazine.com/articles/bitcoin-politics-seep-altcoins-segwit-adoption-slow-across-board/
https://www.reddit.com/r/Bitcoin/comments/6160at/what_we_are_seeing_is_a_stalling_tactic_from/ [frontpage of reddit.com/r/bitcoin today]

2014
http://www.coindesk.com/things-alt-mintpal-fallout-viacoins-big-haul-altcoin-kids/
http://cointelegraph.com/news/112187/viacoin-explosive-market-cap-growth-surpasses-us1-million
http://www.coindesk.com/peter-todd-joins-viacoin-development-team-chief-scientist/
https://www.youtube.com/watch?v=Xk3nZNr_uhM#t=2m31s
http://www.bitcoingg.com/blackcoin-viacoins-market-success-hint-strong-start-in-online-gambling/
http://cointelegraph.com/news/112205/viacoin-hires-peter-todd
http://www.coindesk.com/viacoin-team-implements-smart-contract-protocol-built-altcoin-block-chain/
http://bitcoinist.net/viacoin-climbs-in-a-slump-week/
http://www.coindesk.com/all-things-alt-block-chain-notaries-darkcoin/
http://cointelegraph.com/news/113184/peter-todd-and-the-expansion-of-bitcoin
http://www.coindesk.com/things-alt-altcoins-amagi-checklocktimeverify-viacoin/

White Paper
Viacoin Styx Based on Tumblebit for anon transactions
https://viacoin.org/whitepaper/Viacoin-Styx.pdf

Explorer
https://chainz.cryptoid.info/via/
https://prohashing.com/explorer/Viacoin/

Viacoin ElectrumX implementation
Which will be 10 times faster than the old Vialectrum Server.
SegWit compatible

ElectrumX comparison
The image below shows the difference of sync time between Bitcoin Electrum&ElectrumX.
For Viacoin it will be faster

       

Bitcoin magazine interview

Explaining it like you are 5

SegWit / Segregated Witness
Every transaction has certain information. Details of the exchange, signatures & an ID number.
SegWit separates the signatures from the transaction and into a parallel space.

Transaction malleability? Who cares?
Transaction malleability refers to a trick that allows an attacker to refer to a transaction but creates a different valid ID#.
Segwit solves this and will enable new means of protection against similar attacks.

Softfork: Old nodes will still see it all as valid.  Meaning the update won’t break any older versions.
New dog, new tricks: Separating the signatures gives more freedom for scripting, customization and new layers of functionality.

Libsecp256K1
Wait Lib what?: Everything important in concurrency has to be signed & verified using Math. That Math can be s-l-o-w.
Libsecp256K1 is an update in how to use Math to get an increase in the speed up to 4.9x of verifying transactions and blocks.

Version Bits, Weak Blocks & More
Versionbits: Allow simultaneous Soft Fork changes to be implemented 29 at a time, up from the current limit of 1 !

Weak blocks: Allow miners & nodes to rebuild found blocks from locally storage transaction data rather then having to download full blocks.
A possible 90% or more reduction in peak bandwidth requirements for full node operations.

The Lightning Network
The Lightning Network takes this idea of payment channels to the next level by creating a general network
which anyone can use to make off-blockchain transactions.
Confidential transactions: Mask the transaction amount is a possibility. This is a great privacy improvement.
Tons of other benefits like reduced UTXO, to keep it simple, it requires less resource to run a wallet/node.

“What the Lightning Network is creating [is] a system where you can
create a payment channel on a general network, and by participating on this network, you can send bitcoin off-chain to anyone — and it never hits
the blockchain until you close out the channel.”

Another way of looking at this is to think about the relationship between users who have payment channels open with each other.
“Through somebody else, you can reach anybody else. So, maybe it’s Alice, Bob, Carol, and Dave — Alice has a relationship with Bob, Bob has a relationship with Carol, [and] Carol has a relationship with Dave. Alice can send money to Dave through Bob and Carol.”
Source Lightening Network explanation: http://coinjournal.net/a-simple-explanation-of-the-lightning-network/

Acinq graphical explorer for Bitcoin Lightning Network

Atomic cross chain Trading:
Is another possibility. 2 traders can trade As example Litecoin, Viacoin, Groestl or Syscoin with each other or against bitcoin.
You can see it as Shapeshift, only you won’t be charged a ridiculous fee & it’s decentralized!

Link to old thread/ann: https://bitcointalk.org/index.php?topic=699278.0
Some of you may know Viacoin from 2014, here’s a sum on what happened: https://www.reddit.com/r/viacoin/comments/5px84n/summary_on_what_happened_past_months_new_lead_dev/

Design for this Ann has been done by https://twitter.com/crypto_design
The creator of many Altcoin logo’s. Also the creator of the Bittrex, Mintpal & Official SegWit logo

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