A blockchain is often a dispersed general public ledger ??or on the internet digital database ??which contains a record of many of the transactions on the System. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??в In this example, we have been positioning a limit purchase to trade https://tomi185tah0.wikigdia.com/user