Fork is defined variously in cryptocurrencies. “what happens when a blockchain diverges into two potential paths forward”; “a change in protocol” or; a situation that “occurs when two or more blocks have the same block height”.

Fork may refer to:

• Chain fork, the occurrence of multiple blocks at the same height
• Hardfork, a change to the protocol that makes previously invalid events valid
• Softfork, a change to the protocol that would only invalidate previous transactions
• Code fork, an altcoin that is a derivative of Bitcoin

See Also on BitcoinWiki

• ZeroState
• IShook
• Humancoin
• DECOIN
• ROMAD Endpoint Defense