Blockchain is a digital transaction record based on its structure, in which individual records, called blocks, are linked together in a list, called chains. Blockchains are used to record transactions made with cryptocurrency, such as Bitcoin, and have many other applications Blockchain is a digital transaction record based on its structure, in which individual records, called blocks, are linked together in a list, called chains. Blockchains are used to record transactions made with cryptocurrenSee full review