HOW COPYRIGHT CAN SAVE YOU TIME, STRESS, AND MONEY.

?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 long been recorded and confirmed, it may?�t be modified. The ledger only permits just one-way knowledge modification.?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ?