COPYRIGHT NO FURTHER A MYSTERY

??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? ?ана??вBlockchains are distinctive in that, as soon as a transaction has been recorded and confirmed, it may?�t be altered. The ledger only permits a single-way information modification.Protection starts with knowl