A REVIEW OF BITCOIN

?��? 비트코인 지갑�? ?????�는 �?밖에 ???�일 ??기술???�용?�니?? ?�는 ?�당 개인 ?��? ?�금???�세?�하?????�요?�다??것을 ?��??�니??Some cryptocurrencies share a blockchain, whilst other cryptocurrencies operate by themselves independent blockchains.?? ?�신?� ?�제 비트코인??구