Ti?n s??là m?t l?p con c?a ti?n ?i?n t??nh?m ch??nh?ng ??ng ti?n ?i?n t??không pháp ??nh.Bitcoin was designed in 2009 by an unknown person or group of men and women using the pseudonym Satoshi Nakamoto. The electronic asset is predicated on a decentralized, peer-to-peer network and blockchain technological know-how, making it possible for custom