간단??말해?? 채굴 ?�비???�로??비트코인??채굴?�기 ?�해 ?�별??고안??고급 ?�업?�라�?�????�습?�다.Some cryptocurrencies share a blockchain, whilst other cryptocurrencies function by themselves independent blockchains.?? ?�신?� ?�제 비트코인??구입?�기�??�습?�다. ?��?�??�시�