ABOUT COPYRIGHT

??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? ?ана??вBlockchains are unique in that, once a transaction has long been recorded and verified, it may possibly?�t be altered. The ledger only permits a person-way information modification.The total range of coins t