Blockchains are exclusive in that, at the time a transaction is recorded and confirmed, it could?�t be modified. The ledger only allows for one-way knowledge modification. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??в ??дк?ий?е дл? ?ебе ?а о??имай?е до???п до зап??к? нови? ?окен?в , 08/16/2021 Just https://dominickyuwof.blogsmine.com/30223317/the-ultimate-guide-to-copyright