{"id":37072,"date":"2026-05-29T08:18:06","date_gmt":"2026-05-29T08:18:06","guid":{"rendered":"https:\/\/volity.io\/non-classifiee\/what-is-a-stablecoin\/"},"modified":"2026-06-04T06:24:12","modified_gmt":"2026-06-04T06:24:12","slug":"what-is-a-stablecoin","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/glossaire\/what-is-a-stablecoin\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;un stablecoin"},"content":{"rendered":"<h2>Comment fonctionne un stablecoin<\/h2>\n<p>Un stablecoin maintient une parit\u00e9 de 1 pour 1 avec un actif de r\u00e9f\u00e9rence, presque toujours le dollar am\u00e9ricain. La parit\u00e9 est tenue par l&rsquo;un de trois m\u00e9canismes : des r\u00e9serves fiat compl\u00e8tes (liquidit\u00e9s et bons du Tr\u00e9sor \u00e0 court terme), une surcollat\u00e9ralisation crypto, ou un algorithme qui dilate et contracte l&rsquo;offre. Les coins adoss\u00e9s \u00e0 des r\u00e9serves comme l&rsquo;<a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-usdc\/\">USDC<\/a> et l&rsquo;<a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-usdt\/\">USDT<\/a> dominent car le mod\u00e8le est simple \u00e0 auditer et a r\u00e9sist\u00e9 \u00e0 des chocs qui ont bris\u00e9 les conceptions algorithmiques.<\/p>\n<h2>Exemple chiffr\u00e9<\/h2>\n<p>Vous vendez un altcoin volatil en USDC \u00e0 1,00 $ par jeton. Votre valeur en dollars est d\u00e9sormais gar\u00e9e sans quitter l&rsquo;\u00e9cosyst\u00e8me crypto, sans virement bancaire ni d\u00e9lai de r\u00e8glement. Quand vous voulez \u00e0 nouveau de l&rsquo;exposition, vous \u00e9changez l&rsquo;USDC contre l&rsquo;actif. Le stablecoin a jou\u00e9 le r\u00f4le de liquidit\u00e9s entre les trades, sa fonction premi\u00e8re pour les traders actifs.<\/p>\n<h2>Les stablecoins sur Volity<\/h2>\n<p>Volity accepte les d\u00e9p\u00f4ts en USDT et USDC sur les principales cha\u00eenes, et ils sont cr\u00e9dit\u00e9s en quelques minutes sans frais de d\u00e9p\u00f4t. Les stablecoins sont la voie de financement la plus rapide vers un compte Markets et la devise de r\u00e8glement naturelle des CFD crypto. Ils permettent aussi de garder des liquidit\u00e9s sur la plateforme entre deux configurations sans repasser par le fiat.<\/p>\n<h2>Pourquoi c&rsquo;est important<\/h2>\n<p>Un stablecoin ne vaut que son adossement. La qualit\u00e9 des r\u00e9serves, les droits de rachat et la transparence de l&rsquo;\u00e9metteur sont les vraies questions, pas la parit\u00e9 elle-m\u00eame, qui tient jusqu&rsquo;\u00e0 ce qu&rsquo;elle c\u00e8de. Privil\u00e9giez les coins avec des attestations r\u00e9guli\u00e8res et un rachat clair. \u00c0 lire aussi : <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-defi\/\">DeFi<\/a>, o\u00f9 les stablecoins sont l&rsquo;unit\u00e9 de compte de base.<\/p>\n<p>Un solde en stablecoin sert aussi de collat\u00e9ral aux contrats sur \u00e9v\u00e9nements : dans <a href=\"https:\/\/volity.io\/fr\/crypto\/how-polymarket-works\/\">comment fonctionne Polymarket<\/a>, vous verrez comment un dollar adosse \u00e0 la fois une part Oui et une part Non.<\/p>\n<p>Une part gagnante est rembours\u00e9e dans ce m\u00eame solde en stablecoin une fois le march\u00e9 r\u00e9gl\u00e9, et le calendrier complet est expliqu\u00e9 dans <a href=\"https:\/\/volity.io\/fr\/crypto\/how-prediction-markets-resolve\/\">comment se r\u00e8gle un march\u00e9 pr\u00e9dictif<\/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 stablecoin Un stablecoin maintient une parit\u00e9 de 1 pour 1 avec un actif de r\u00e9f\u00e9rence, presque toujours le dollar [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":37179,"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-37072","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 v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce qu&#039;un stablecoin<\/title>\n<meta name=\"description\" content=\"Un stablecoin est une cryptomonnaie li\u00e9e 1:1 au dollar am\u00e9ricain via r\u00e9serves ou algorithme. 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USDT et USDC sont les deux plus gros. Cash crypto.","yoast_wpseo_focuskw":"stablecoin","yoast_wpseo_opengraph-title":"","yoast_wpseo_opengraph-description":"","yoast_wpseo_twitter-title":"","yoast_wpseo_twitter-description":""},"yoast_title":"","yoast_metadesc":"Un stablecoin est une cryptomonnaie li\u00e9e 1:1 au dollar am\u00e9ricain via r\u00e9serves ou algorithme. USDT et USDC sont les deux plus gros. Cash crypto.","_links":{"self":[{"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/posts\/37072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/comments?post=37072"}],"version-history":[{"count":1,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/posts\/37072\/revisions"}],"predecessor-version":[{"id":37073,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/posts\/37072\/revisions\/37073"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/media\/37179"}],"wp:attachment":[{"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/media?parent=37072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/categories?post=37072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/volity.io\/fr\/wp-json\/wp\/v2\/tags?post=37072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}