BITCOIN.

The bitcoin is a cryptocurrency, payment system and merchandise. Note The term also applies to the protocol and to the P2P network that supports it, and is commonly classified as digital currency. Conceived in 2009, the definitive identity of its creator or creators, which appears under the pseudonym Satoshi Nakamoto, is unknown. It is based on the blockchain technology, similar to a large book of accounts, public and distributed, which reflects the history of all transactions, in what is known as a chain of blocks, hardly falsifiable. Bitcoin is generally used to refer to the network or protocol and bitcoin (it is also recommended in Spanish bitcoin, plural bitcoin) to refer to monetary units.