Is bitcoin a good investment? - Edward Jones Blockchain is a digital ledger — or record — of transactions managed by a decentralized network of computers and plays a crucial role in cryptocurrency systems
Bitcoin, Cryptocurrencies and Blockchain Facebook (FB - $240. 28; BUY) The problem blockchain solves is assuring the recipient of a digital asset that the asset is wholly transferred (as opposed to copied and then transferred), thereby eliminating the possibility of digital double-spending