A blockchain is actually a dispersed public ledger ??or on the net digital databases ??that contains a file of many of the transactions with a platform. ?�러???�유�? 로그?? ?�출 ?�세??관�??�는 ?�티 ?�싱 ?�구???�???�중 ?�는 ?�중 ?�소 ?�증???�함?�여 교환???�는 ??지�??�공?��? ?�공?�는 모든 보안 ?�구�??�전???�용?�는 것이 중요?�니?? ?�호�??�전?�게 보�??????�는 짧�? 지침이 ?�습?�다. https://bitcoin81234.ambien-blog.com/36570061/copyright-fundamentals-explained