5 ESSENTIAL ELEMENTS FOR BITCOIN

A blockchain is usually a distributed general public ledger ??or on the net electronic database ??that contains a history of each of the transactions on a System.간단??말해?? 채굴 ?�비???�로??비트코인??채굴?�기 ?�해 ?�별??고안??고급 ?�업?�라�?�????�습?�다.?�력 비용??막�??�기 ?�문??�?고