Decentralized Electronic Peer-to-Peer Cash & Payments
- Hashcash Announcement - Hash cash postage implementation - A partial hash collision based postage scheme by Adam Back, March 1997
- Hashcash White Paper - A Denial of Service Counter-Measure (PDF) by Adam Back, August 2002
- Hashcash @ Wikipedia
- B-money White Paper - A scheme for a group of untraceable digital pseudonyms to pay each other with money and to enforce contracts amongst themselves without outside help by Wei Dai, November 1998
- B-money › Wei Dai @ Wikipedia
- Bit Gold White Paper by Nick Szabo, December 2005
- Bit Gold › Nick Szabo @ Wikipedia
3rd January, 2009 @ 18:15:05 - Genesis Block #0
Investment opportunity: you can buy an inscription on an online registry that gives you absolutely no rights and no income. Also investors must pay $3B per year or the registry ceases to exist. BUT there's a limited number of registry entries so it must be worth a lot.
-- Trolly McTrollface, Best of Bitcoin Maximalist - Inside The New New Crypto Ponzi Economics
Website: bitcoin.org, Source Code @ github: bitcoin
incl. Bitcoin Core ★36 825
Founders: Satoshi Nakamoto (pseudonym)
1 Bitcoin = 100 000 000 Satoshi (8 Digits)
- Block Time: ~10 Minutes
- Block Reward: 50 Bitcoin (halves every four years, 25 Bitcoin in ?, 12 1/5 Bitcoin in ?, etc.)
- Proof of Work with SHA-256 Hashing
Major Hard Forks:
- 1st August 2017 @ Block #478 558 - Bitcoin Cash (BCH) • Bitcoin ABC (Adjustable Blocksize Cap)
Hard Forks (of Hard Forks):- 15th November 2018 @ Block #556 766 - Bitcoin Satoshi's Vision (SV) (BSV)
- 24th October 2017 @ Block #491 407 - Bitcoin Gold (BTG)
Documents:
- Bitcoin Announcement - Bitcoin P2P e-cash paper by Satoshi Nakamoto (pseudonym), October 2008
- Bitcoin White Paper - A Peer-to-Peer Electronic Cash System by Satoshi Nakamoto (pseudonym), October 2008
- Bitcoin Announcement - Bitcoin v0.1 released by Satoshi Nakamoto (pseudonym), January 2009
- Bitcoin Gold White Paper (PDF)
- Bitcoin Retail Merchants White Paper (PDF)
- Bitcoin @ Wikipedia
- Bitcoin @ Rational Wiki
- There can only ever be 21 million forks of Bitcoin: a survey so far by David Gerard, November 2017
Namecoin an attempt to implement an alternate Internet Domain Name Service (DNS) system on a blockchain.
Website: namecoin.org,
Source Code @ github: namecoin
Founders: Vincent Durham (pseudonym)
7th October, 2011 @ 07:31:05 - Genesis Block #0
Litecoin is the "me too" coin. It was marketed as "the silver to Bitcoin's gold." The main difference from Bitcoin is a different hash designed to be resistant to GPU mining (though ASICs eventually came out) and a shorter block time.
Website: litecoin.org,
Source Code @ github: litecoin-project
incl. Litecoin Core ★3231
Founders: Charlie Lee
1 Litecoin = 100 000 000 Photons / Microlitecoins (8 Digits)
- Block Time: ~2 1/2 Minutes
- Block Reward: 25 Litecoin (till 2019; halved every four years)
- Proof of Work with Scrypt Hashing
- Litecoin - a lite version of Bitcoin. Launched! by Charlie Lee, October 2011
- Litecoin @ Wikipedia
Website: peercoin.net,
Source Code @ github: peercoin
Founders: Sunny King (pseudonym)
- Peercoin @ Wikipedia
- Peercoin White Paper - Peer-to-Peer Crypto-Currency with Proof-of-Stake (PDF) by Sunny King (pseudonym), Scott Nadal; August 2012
¹: Peer-to-Peer (PP)
Freicoin uses demurrage - negative interest - to discourage speculative hoarding.
Website: freico.in,
Source Code @ github: freicoin
Founders: Mark Friedenbach
- Proof of Work with SHA-256 hashing
Dogecoin started originally as a joke based on the "Doge" Shiba Inu Internet meme. The idea was mostly to have some fun with cryptocurrency cheap enough to mess around with; and who knows, maybe we'll all get rich!
Website: dogecoin.com,
Source Code @ github: dogecoin
Founders: Jackson Palmer, Billy Markus
- Proof of Work with Scrypt hasing
DafuqCoin compromised exchanges with a rootkit because the exchanges failed to check the code before running it.
30th July, 2015 @ 15:26:13 - Genesis Block #0
If Bitcoin is like an Excel spreadsheet, then Ethereum is like a spreadsheet with macros.
Website: ethereum.org,
Source Code @ github: ethereum
incl. Go Ethereum ★22 393
Founders: Vitalik Buterin, Gavin Wood, Joseph Lubin
1 Ether = 1 00 000 000 000 000 000 Wei (18 Digits)
Major Hard Forks:
- 20th July, 2016 @ Block #1 920 000 - Ethereum Classic (ETC)
Documents:
- Ethereum White Paper - A Next-Generation Blockchain Service Contract and Decentralized Application Platform by Vitalik Buterin, et al
- Ethereum @ Wikipedia
- 20th July, 2016 @ Block #1 920 000
Website: ethereumclassic.org, Source Code @ github: ethereumclassic
1st August 2017 @ Block #478 558
Website: bitcoincash.org, Source Code @ github: Bitcoin-ABC
24th October 2017 @ Block #491 407
Website: bitcoingold.org, Source Code @ github: BTCGPU
15th November 2018 @ Block #556 766
Website: bitcoinsv.io, Source Code @ github: bitcoin-sv
Major Protocol "Hard Fork" Network Upgrades
- 4th February 2020 @ Block #?? - Genesis Upgrade