<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>https://ecency.com</link><image><url>https://ecency.com/logo512.png</url><title>RSS Feed</title><link>https://ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Fri, 14 Aug 2026 20:33:28 GMT</lastBuildDate><atom:link href="https://ecency.com/@moh4m/rss" rel="self" type="application/rss+xml"/><item><title><![CDATA[Bitcoin: Proof of Work ]]></title><description><![CDATA[Bitcoin: Proof of Work 1 idée, 2 problèmes : L'idée de la blockchain bitcoin fait malheureusement face à deux problèmes majeurs: La double transaction: comment s'assurer de ne pas accepter deux transactions]]></description><link>https://ecency.com/@moh4m/bitcoin-proof-of-work</link><guid isPermaLink="true">https://ecency.com/@moh4m/bitcoin-proof-of-work</guid><category><![CDATA[hive-114606]]></category><dc:creator><![CDATA[moh4m]]></dc:creator><pubDate>Tue, 22 Nov 2022 20:04:30 GMT</pubDate><enclosure url="https://i.ecency.com/p/4HFqJv9qRjVecs4xkhd5EvhidWEEBnn9tCVDBkBhQpUFvab78MhbU1VtzMTAetiZwkuQRZ3oAXzM5gBFR9HVGBUokAew2LyHcjfK3DidXh3RxeqRrcdKfMsKFrh98NH1syG6BGEHi8m4oMdDUbJcrFtkFbhbZ7g2u4J?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>