Blockchain
A blockchain[1][2][3] – originally block chain[4][5] – is a distributed database that is used to maintain a continuously growing list of records, called blocks. Each block contains a timestamp and a link to a previous block.[6] A blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. ......
https://en.wikipedia.org/wiki/Blockchain
Blockchain
A blockchain[1][2][3] – originally block chain[4][5] – is a distributed database that is used to maintain a continuously growing list of records, called blocks. Each block contains a timestamp and a link to a previous block.[6] A blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. ......
https://en.wikipedia.org/wiki/Blockchain