LITTLE KNOWN FACTS ABOUT COPYRIGHT.

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???Blockchains are distinctive in that, once a transaction has become recorded and verified, it can?�t be transformed. The ledger only allows for one-way knowledge modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в?д