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간단??말해?? 채굴 ?�비???�로??비트코인??채굴?�기 ?�해 ?�별??고안??고급 ?�업?�라�?�????�습?�다.All transactions are recorded on line inside of a digital database named a blockchain that works by using effective 1-way encryption to guarantee security and proof of possession.?�카모토가 최초??비