The concept of Bitcoin was first put forward by Satoshi Nakamoto on June 5438+065438+ 10/day, 2008, and released on June 3, 2009. Bitcoin is a P2P digital currency, which is generated by a large number of calculations according to a specific algorithm.
Bitcoin economy uses the distributed database composed of many nodes in the whole P2P network to confirm and record all transaction behaviors, and uses cryptography design to ensure the security of all links in currency circulation.