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Blockchains are distinctive in that, after a transaction has been recorded and verified, it may?�t be adjusted. The ledger only allows for one particular-way details modification.??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??вinformation - you can't just click on a cell and