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??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? ?ана??вBlockchains are unique in that, as soon as a transaction is recorded and verified, it may?�t be modified. The ledger only allows for a single-way info modification.All network transaction service fees, or ga