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Blockchains are one of a kind in that, after a transaction continues to be recorded and confirmed, it could?�t be improved. The ledger only permits a single-way details modification.То?г?ва?и ?о?н?ми к?ип?овал?? на ?по?овом?, ма?жинал?ном? ? ??�ючер?ном? ?инка?.copyright associates with leading KYC