?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма??? A blockchain is often a distributed community ledger ??or online electronic database ??that contains a record of every one of the transactions on a System. To sell copyright, first generate an account and buy or deposit copyright cash you want to sell. https://troyuqhzq.theobloggers.com/36023584/top-copyright-secrets