A blockchain is really a distributed public ledger ??or on line digital database ??which contains a record of the many transactions over a platform. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??в This way, you may be sure that the concept that you are receiving is really https://tupeniz974syf9.wikissl.com/user