WHAT DOES COPYRIGHT MEAN?

??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? ?ана??вBlockchains are exclusive in that, as soon as a transaction has long been recorded and verified, it can?�t be transformed. The ledger only allows for one particular-way data modification.Safety begins with c