Blockchains are unique in that, at the time a transaction has been recorded and verified, it could possibly?�t be altered. The ledger only permits 1-way information modification. 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/депон?ва?и к?ип?овал???. ???л? ??ого можна по?ина?и ?о?г?ва?и. On 28 October 2020, Forbes https://horacec321vlc0.onzeblog.com/profile