{"id":37253,"date":"2026-05-29T09:57:05","date_gmt":"2026-05-29T09:57:05","guid":{"rendered":"https:\/\/volity.io\/non-classifiee\/what-is-a-fork-blockchain\/"},"modified":"2026-06-04T17:07:45","modified_gmt":"2026-06-04T17:07:45","slug":"what-is-a-fork-blockchain","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/glossaire\/what-is-a-fork-blockchain\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;un fork en crypto"},"content":{"rendered":"<h2>Comment fonctionne un fork<\/h2>\n<p>Un fork est un changement des r\u00e8gles d&rsquo;une blockchain qui scinde son historique sur un nouveau chemin. Un soft fork est r\u00e9trocompatible, resserrant les r\u00e8gles d&rsquo;une fa\u00e7on que les anciens n\u0153uds acceptent encore. Un hard fork est une rupture nette : les n\u0153uds doivent se mettre \u00e0 jour, et si une communaut\u00e9 n&rsquo;est pas d&rsquo;accord, la cha\u00eene peut se scinder en deux coins, chacune avec son propre historique jusqu&rsquo;au point de fork et un futur s\u00e9par\u00e9 ensuite.<\/p>\n<h2>Exemple chiffr\u00e9<\/h2>\n<p>Une communaut\u00e9 blockchain conteste une mise \u00e0 jour majeure. Ceux qui la soutiennent font tourner le nouveau logiciel ; ceux qui la rejettent gardent l&rsquo;ancien. Au bloc de fork, la cha\u00eene se scinde en deux coins partageant un historique. Quiconque d\u00e9tenait l&rsquo;original d\u00e9tient d\u00e9sormais un solde \u00e9gal sur les deux cha\u00eenes. Bitcoin Cash se s\u00e9parant de Bitcoin est l&rsquo;exemple classique : un registre est devenu deux, chacun suivant sa voie.<\/p>\n<h2>Forks et exposition de trading<\/h2>\n<p>Un hard fork contest\u00e9 cr\u00e9e incertitude, coins dupliqu\u00e9s et souvent une volatilit\u00e9 vive, car le march\u00e9 doit valoriser deux actifs l\u00e0 o\u00f9 il y en avait un. Sur Volity, vous prenez une exposition aux coins \u00e9tablies en spot ou CFD sans g\u00e9rer de wallets ni r\u00e9clamer vous-m\u00eame de soldes fork\u00e9s. Comprendre les forks explique les changements soudains d&rsquo;offre et l&rsquo;origine de nombreuses coins n\u00e9es de scissions.<\/p>\n<h2>Pourquoi c&rsquo;est important<\/h2>\n<p>Les forks sont la fa\u00e7on dont les blockchains \u00e9voluent et se fracturent parfois, donc ils expliquent d&rsquo;o\u00f9 viennent les nouvelles coins et pourquoi les conflits de gouvernance peuvent bouger fort les prix. Surveillez les d\u00e9bats de mise \u00e0 jour sur les coins que vous d\u00e9tenez. \u00c0 lire aussi : <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-a-smart-contract\/\">contrat intelligent<\/a> et <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-l1-vs-l2\/\">L1 vs L2<\/a>.<\/p>\n<p>Pour aller plus loin, voir notre page <a href=\"https:\/\/volity.io\/fr\/crypto\/\">crypto<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment fonctionne un fork Un fork est un changement des r\u00e8gles d&rsquo;une blockchain qui scinde son historique sur un nouveau chemin. Un [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":37375,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[258],"tags":[],"class_list":["post-37253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce qu&#039;un fork en crypto<\/title>\n<meta name=\"description\" content=\"Un fork est un changement des r\u00e8gles de protocole blockchain. Soft forks r\u00e9tro-compatibles ; hard forks divisent la cha\u00eene. 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