A blockchain is really a dispersed public ledger ??or on the web digital database ??which contains a document of many of the transactions on the System. Some cryptocurrencies share a blockchain, even though other cryptocurrencies run on their own independent blockchains. Щоб по?а?и ?о?г?вл?, ко?и???ва?ам по???бно за?е?????ва?и ака?н?, п?ой?и https://elleny008kyl4.life3dblog.com/profile