{"id":37223,"date":"2026-05-29T09:51:55","date_gmt":"2026-05-29T09:51:55","guid":{"rendered":"https:\/\/volity.io\/non-classifiee\/what-is-proof-of-stake\/"},"modified":"2026-06-04T06:24:12","modified_gmt":"2026-06-04T06:24:12","slug":"what-is-proof-of-stake","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/glossaire\/what-is-proof-of-stake\/","title":{"rendered":"Qu&rsquo;est-ce que la preuve d&rsquo;enjeu (Proof of Stake)"},"content":{"rendered":"<h2>Comment fonctionne la preuve d&rsquo;enjeu<\/h2>\n<p>La preuve d&rsquo;enjeu s\u00e9lectionne qui produit le bloc suivant en proportion de la crypto que chaque validateur a verrouill\u00e9e en garantie. Au lieu de br\u00fbler de l&rsquo;\u00e9nergie sur une \u00e9nigme, les validateurs mettent du capital en jeu : produire des blocs honn\u00eates rapporte un rendement, mal se comporter ou tomber hors ligne fait confisquer une partie de la mise. Cet enjeu \u00e9conomique remplace le co\u00fbt d&rsquo;\u00e9lectricit\u00e9 de la <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-proof-of-work\/\">preuve de travail<\/a> comme ce qui rend les attaques co\u00fbteuses.<\/p>\n<h2>Exemple chiffr\u00e9<\/h2>\n<p>Un validateur verrouille la mise minimale du r\u00e9seau et fait tourner une infrastructure fiable. Pour confirmer des transactions valides, il gagne un rendement, souvent 3 \u00e0 6 % par an. S&rsquo;il signe des blocs contradictoires ou reste hors ligne durant son cr\u00e9neau, le protocole confisque automatiquement une part de la mise. Les petits d\u00e9tenteurs qui ne peuvent pas faire tourner un validateur peuvent d\u00e9l\u00e9guer via le <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-staking\/\">staking<\/a> et partager r\u00e9compenses et risques.<\/p>\n<h2>Les compromis<\/h2>\n<p>La preuve d&rsquo;enjeu utilise une infime fraction de l&rsquo;\u00e9nergie de la preuve de travail et permet une finalit\u00e9 plus rapide, d&rsquo;o\u00f9 son adoption par Ethereum et la plupart des cha\u00eenes r\u00e9centes. Les critiques estiment qu&rsquo;elle peut concentrer l&rsquo;influence chez les plus gros d\u00e9tenteurs. Les deux mod\u00e8les sont en production et \u00e9prouv\u00e9s ; le bon d\u00e9pend de ce que le r\u00e9seau optimise.<\/p>\n<h2>Pourquoi c&rsquo;est important<\/h2>\n<p>Le mod\u00e8le de consensus d&rsquo;un coin pilote son \u00e9mission, son r\u00e9cit \u00e9nerg\u00e9tique et son rendement de staking, tous des intrants de son dossier fondamental. Quand vous d\u00e9tenez ou tradez un actif en preuve d&rsquo;enjeu sur Volity, le rendement de staking et le calendrier de d\u00e9blocage font partie du tableau, m\u00eame si vous tradez le prix plut\u00f4t que de staker. \u00c0 lire aussi : <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-tokenomics\/\">tokenomics<\/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 la preuve d&rsquo;enjeu La preuve d&rsquo;enjeu s\u00e9lectionne qui produit le bloc suivant en proportion de la crypto que chaque validateur [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":37368,"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-37223","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 que la preuve d&#039;enjeu (Proof of Stake)<\/title>\n<meta name=\"description\" content=\"La preuve d&#039;enjeu s\u00e9lectionne les producteurs de blocs par collat\u00e9ral bloqu\u00e9, pas par travail computationnel. 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