WHAT DOES COPYRIGHT MEAN?

??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? ?ана??вBlockchains are unique in that, after a transaction continues to be recorded and verified, it may possibly?�t be modified. The ledger only permits one-way info modification.The investigation also found examp