A blockchain is actually a distributed public ledger ??or on the internet digital database ??that contains a document of many of the transactions on the System. Some cryptocurrencies share a blockchain, whilst other cryptocurrencies function on their own separate blockchains. Щоб по?а?и ?о?г?вл?, ко?и???ва?ам по???бно за?е?????ва?и ака?н?, п?ой?и ве?и??ка??? https://genec210qer6.tkzblog.com/profile