An unchangeable digital record where transactions are processed and verified by a network of independent computers rather than by a single referee. This decentralised structure has been described as an open distributed ledger. It supposedly enhances security as there is no single entity to be hacked. It also protects personal identity and guarantees that governments can’t block transactions or otherwise manipulate the payments space. The blockchain is the underlying technology supporting most cryptocurrencies such as Bitcoin is commonly said to be a cryptocurrency, a digital means of exchange developed by a set of anonymous authors under the pseudonym of Satoshi Nakamoto, which began operating in 2009 as a communi... More.