COPYRIGHT FUNDAMENTALS EXPLAINED

A blockchain is really a dispersed general public ledger ??or on the internet digital databases ??that contains a document of all of the transactions with a System.비트코인 채굴???�해 ?�익??�??�도 ?�습?�다 - ?�히 ?�기가 �??�?�한 지??��?�는 ?�히 그렇?�니?? ?�한 ?�익?�의 ?��??� 비�