NOT KNOWN DETAILS ABOUT COPYRIGHT

?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма???Blockchains are unique in that, at the time a transaction has actually been recorded and verified, it could?�t be changed. The ledger only permits one particular-way info modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивн�