TOP COPYRIGHT SECRETS

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???Blockchains are special in that, the moment a transaction has been recorded and verified, it might?�t be improved. The ledger only permits one-way info modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в?д??еж?в