The copyright Diaries
A blockchain is usually a dispersed community ledger ??or on-line digital databases ??that contains a record of all the transactions over a platform.가???�반?�인 채굴 ?�???��?�??�펴보겠?�니?? �??�형??비트코인 채굴 ?�드?�어???�단?�이 ?�습?�다.?�호�??�전?�게 보�??????�는 짧�?