?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма??? A blockchain is really a distributed general public ledger ??or on the web digital database ??which contains a file of the many transactions over a platform. To sell copyright, initially generate an account and purchase or deposit copyright cash you should offer. https://louiskewnd.techionblog.com/29935487/the-definitive-guide-to-copyright