Classic definition of bitcoin

Bitcoin Classic was a proposed hard fork from Bitcoin Core that proposed increasing the maximum size of transaction blocks. Despite early successes, Bitcoin Classic has failed to be widely adopted by the bitcoin community and did not eventually materialize. Instead, Bitcoin Cash was the first successful fork to address larger blocks in practice.The original Bitcoin was developed by the anonymous Satoshi Nakamoto, who published a paper in 2008 called “Bitcoin: A Peer-to-Peer Electronic Cash System." The paper described the use of a peer-to-peer network as a solution to the problem of double-spending (using bitcoin for more than one transaction), with transaction details added to the end of blockchains.