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A blockchain is often a dispersed community ledger ??or on the internet digital database ??which contains a report of many of the transactions with a System. makes an attempt to cripple our market.??148]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??? о?оби, к?пи?и