THE 2-MINUTE RULE FOR BITCOIN

A blockchain is usually a distributed public ledger ??or online electronic database ??which contains a report of the many transactions on the System.?��? 모바??지갑�? ?�라??교환 계정????버전?��?�??�일???�용??로그?? 지�?�?계정?�로 ?�용??가?�합?�다.???�려�?많�? ?�드?�어 지�?모델?