TOP GUIDELINES OF COPYRIGHT

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???Blockchains are one of a kind in that, when a transaction has long been recorded and confirmed, it may?�t be improved. The ledger only allows for one-way details modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в?Ð