WHAT DOES COPYRIGHT MEAN?

A blockchain can be a distributed community ledger ??or on line digital databases ??which contains a file of many of the transactions over a here platform.??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??вIn this example, it?�s a good idea to have some prior working experience