A SECRET WEAPON FOR BITCOIN

A blockchain is often a dispersed public ledger ??or on the internet electronic databases ??that contains a history of all of the transactions over a platform.가???�반?�인 채굴 ?�???��?�??�펴보겠?�니?? �??�형??비트코인 채굴 ?�드?�어???�단?�이 ?�습?�다.???�려�?많�? ?�드?�어 지�?�