WHAT DOES COPYRIGHT MEAN?

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???A blockchain can be a distributed public ledger ??or on-line electronic database ??that contains a record of the many transactions over a System.To market copyright, very first build an account and buy or deposit copyright money you need to offer. With the best System, y