TOP COPYRIGHT SECRETS

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???Blockchains are exclusive in that, the moment a transaction has become recorded and confirmed, it may?�t be altered. The ledger only permits a person-way knowledge modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в