{"id":13544,"date":"2025-07-30T08:50:00","date_gmt":"2025-07-30T06:50:00","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=13544"},"modified":"2025-07-29T11:51:32","modified_gmt":"2025-07-29T09:51:32","slug":"oracles-defi","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/oracles-defi\/","title":{"rendered":"Comprendre le r\u00f4le des oracles dans la DeFi"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13544\" class=\"elementor elementor-13544\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2814cab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2814cab\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf14c6a\" data-id=\"cf14c6a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0544c59 elementor-widget elementor-widget-text-editor\" data-id=\"0544c59\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Dans le monde de la finance d\u00e9centralis\u00e9e (DeFi), les oracles jouent un r\u00f4le crucial mais souvent m\u00e9connu. Sans eux, les smart contracts resteraient aveugles au monde ext\u00e9rieur. D\u00e9cryptons le fonctionnement des oracles, leur importance, et les acteurs majeurs comme <a href=\"https:\/\/www.blog.bim.finance\/en\/quest-ce-que-le-chainlink-link-le-systeme-doracles-decentralise\/\">Chainlink<\/a> ou Pyth.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7041bbd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7041bbd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d0e38cd\" data-id=\"d0e38cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c964b7 elementor-widget elementor-widget-heading\" data-id=\"0c964b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi les smart contracts ont besoin d'oracles<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-329d888 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"329d888\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e0329b\" data-id=\"1e0329b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9053c3d elementor-widget elementor-widget-image\" data-id=\"9053c3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blog.chain.link\/wp-content\/uploads\/2020\/11\/chainlink-diagram.png?w=800&#038;ssl=1\" title=\"\" alt=\"Les oracles permettent le lien entre la DeFi et le monde r\u00e9el - Chainlink\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Les oracles permettent le lien entre la DeFi et le monde r\u00e9el - Chainlink<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe6964e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe6964e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e28fab\" data-id=\"1e28fab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ca085ea elementor-widget elementor-widget-text-editor\" data-id=\"ca085ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Les smart contracts op\u00e8rent sur des blockchains, des environnements ferm\u00e9s et d\u00e9terministes. Cela signifie qu&rsquo;ils ne peuvent pas, par d\u00e9faut, acc\u00e9der \u00e0 des donn\u00e9es ext\u00e9rieures comme le prix d&rsquo;un actif, la m\u00e9t\u00e9o, ou les r\u00e9sultats d&rsquo;une \u00e9lection.<\/p><p class=\"p1\">Pourtant, ces donn\u00e9es sont indispensables pour ex\u00e9cuter certaines fonctions : liquider une position de trading si le prix chute trop bas, ou d\u00e9clencher une assurance en cas de catastrophe naturelle. C&rsquo;est ici qu&rsquo;interviennent les oracles.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-67cc945 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"67cc945\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9447887\" data-id=\"9447887\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59cf57c elementor-widget elementor-widget-heading\" data-id=\"59cf57c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le r\u00f4le cl\u00e9 des oracles dans la DeFi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dbafa75 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dbafa75\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ea6fead\" data-id=\"ea6fead\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8f90dba elementor-widget elementor-widget-text-editor\" data-id=\"8f90dba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Un oracle agit comme un pont entre la blockchain et le monde r\u00e9el. Il recueille des informations ext\u00e9rieures (off-chain) et les introduit sur la blockchain (on-chain), permettant ainsi aux smart contracts de prendre des d\u00e9cisions bas\u00e9es sur des donn\u00e9es v\u00e9rifiables. Les oracles sont donc essentiels \u00e0 la plupart des applications DeFi : plateformes de lending, protocoles de d\u00e9rivatifs, assurances d\u00e9centralis\u00e9es, etc.<\/p><p class=\"p1\">Cependant, les oracles repr\u00e9sentent aussi un point de centralisation potentielle. Si un oracle est compromis ou fournit de mauvaises donn\u00e9es, les cons\u00e9quences peuvent \u00eatre catastrophiques. C&rsquo;est pourquoi la fiabilit\u00e9, la d\u00e9centralisation et la r\u00e9silience des r\u00e9seaux d&rsquo;oracles sont des enjeux fondamentaux.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b6c5811 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b6c5811\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-60eae0b\" data-id=\"60eae0b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78ceb46 elementor-widget elementor-widget-heading\" data-id=\"78ceb46\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chainlink : le leader incontest\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9398fb8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9398fb8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcec286\" data-id=\"dcec286\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3f528c elementor-widget elementor-widget-image\" data-id=\"e3f528c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img data-recalc-dims=\"1\" height=\"420\" width=\"800\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/cdn.prod.website-files.com\/5f6b7190899f41fb70882d08\/66570710183a306247e16f9f_chain.link-open-graph-banner-1200x630.png?resize=800%2C420&#038;ssl=1\" title=\"\" alt=\"Chainlink : l&#039;oracle incontest\u00e9 dans la DeFi\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">L'oracle incontest\u00e9 dans la DeFi - Chainlink<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8582b07 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8582b07\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a9fdfca\" data-id=\"a9fdfca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45010f1 elementor-widget elementor-widget-text-editor\" data-id=\"45010f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Chainlink est le protocole d&rsquo;oracle le plus connu et le plus utilis\u00e9 \u00e0 ce jour. Il fonctionne gr\u00e2ce \u00e0 un r\u00e9seau d&rsquo;op\u00e9rateurs d&rsquo;oracle ind\u00e9pendants, r\u00e9mun\u00e9r\u00e9s en tokens LINK, qui agr\u00e8gent et v\u00e9rifient les donn\u00e9es avant de les transmettre aux smart contracts. Chainlink propose \u00e9galement des services suppl\u00e9mentaires comme la v\u00e9rification al\u00e9atoire v\u00e9rifiable (VRF), utilis\u00e9e dans les jeux ou les loteries on-chain.<\/p><p class=\"p1\">Sa notori\u00e9t\u00e9 et son implantation dans l&rsquo;\u00e9cosyst\u00e8me DeFi en font une pi\u00e8ce ma\u00eetresse pour de nombreux projets, allant d&rsquo;Aave \u00e0 Synthetix.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b713632 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b713632\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-942256c\" data-id=\"942256c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b242b4 elementor-widget elementor-widget-heading\" data-id=\"1b242b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pyth Network : un nouveau paradigme<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6b2fecb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b2fecb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-91bd47c\" data-id=\"91bd47c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e569343 elementor-widget elementor-widget-image\" data-id=\"e569343\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img data-recalc-dims=\"1\" height=\"450\" width=\"800\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.tbstat.com\/wp\/uploads\/2024\/02\/pyth-1-1200x675.png?resize=800%2C450&#038;ssl=1\" title=\"\" alt=\"Pyth Network : l&#039;exemple m\u00eame de l&#039;oracle au service de la DeFi\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">L'exemple m\u00eame de l'oracle au service de la DeFi - Pyth Network<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4f4e0d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4f4e0d3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3ade026\" data-id=\"3ade026\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9083c6a elementor-widget elementor-widget-text-editor\" data-id=\"9083c6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Pyth est une alternative montante qui adopte une approche diff\u00e9rente : au lieu d&rsquo;utiliser des agr\u00e9gateurs d&rsquo;oracles, il fait venir les donn\u00e9es directement des sources primaires (ex. : bourses d\u00e9centralis\u00e9es, teneurs de march\u00e9 institutionnels). Ces donn\u00e9es sont ensuite publi\u00e9es sur des blockchains compatibles comme Solana, Ethereum ou Arbitrum.<\/p><p class=\"p1\">Le projet est particuli\u00e8rement adapt\u00e9 aux besoins des applications DeFi hautement performantes, comme le trading haute fr\u00e9quence ou les d\u00e9rivatifs. Sa proposition de valeur repose sur la rapidit\u00e9, la fra\u00eecheur des donn\u00e9es, et l&rsquo;implication directe des acteurs de march\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b3e487e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b3e487e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e6489db\" data-id=\"e6489db\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-15dbde5 elementor-widget elementor-widget-heading\" data-id=\"15dbde5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Et les autres ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8796ce9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8796ce9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6a151bf\" data-id=\"6a151bf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4770839 elementor-widget elementor-widget-text-editor\" data-id=\"4770839\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Outre Chainlink et Pyth, d&rsquo;autres r\u00e9seaux d&rsquo;oracles existent, chacun avec des sp\u00e9cificit\u00e9s :<\/p><ul class=\"ul1\"><li class=\"li1\"><b>API3<\/b> met en avant le concept de \u00ab\u00a0first-party oracles\u00a0\u00bb, o\u00f9 les fournisseurs de donn\u00e9es publient eux-m\u00eames leurs flux.<\/li><li class=\"li1\"><b>Witnet<\/b> propose une solution d\u00e9centralis\u00e9e et communautaire.<\/li><li class=\"li1\"><b>UMA<\/b> permet la cr\u00e9ation de prix synth\u00e9tiques pour des actifs difficiles \u00e0 mesurer directement.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3af7113 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3af7113\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e527493\" data-id=\"e527493\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ca179f9 elementor-widget elementor-widget-text-editor\" data-id=\"ca179f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ces projets cherchent tous \u00e0 am\u00e9liorer la fiabilit\u00e9, la transparence et l&rsquo;accessibilit\u00e9 des donn\u00e9es off-chain.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c7d429d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7d429d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-da7267a\" data-id=\"da7267a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-70c06f6 elementor-widget elementor-widget-heading\" data-id=\"70c06f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les oracles, piliers invisibles de la DeFi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2813d68 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2813d68\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24312af\" data-id=\"24312af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f89197 elementor-widget elementor-widget-text-editor\" data-id=\"7f89197\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Derriere chaque application DeFi robuste se cache un r\u00e9seau oracle performant. Si le concept peut para\u00eetre technique, son r\u00f4le est fondamental : garantir que les smart contracts fonctionnent avec des donn\u00e9es fiables, en temps r\u00e9el.<\/p><p class=\"p1\">Dans un avenir o\u00f9 la finance se d\u00e9centralise toujours plus, les oracles seront plus que jamais au c\u0153ur de la machine.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4783b1b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4783b1b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6f7e00a\" data-id=\"6f7e00a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0bd3adb elementor-widget elementor-widget-text-editor\" data-id=\"0bd3adb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Sources<\/strong> :<\/p><ul><li><a href=\"https:\/\/blog.chain.link\/smart-contract-use-cases\/\">Chainlink &#8211; Cas d&rsquo;usages<\/a><\/li><li><a href=\"https:\/\/www.blog.bim.finance\/en\/quest-ce-que-le-chainlink-link-le-systeme-doracles-decentralise\/\">Bim Blog &#8211; Chainlink<\/a><\/li><li><a href=\"https:\/\/www.pyth.network\/\">Pyth Network<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Sans oracles, pas de DeFi fiable. D\u00e9couvrez le r\u00f4le des diff\u00e9rents protocoles qui alimentent les smart contracts en donn\u00e9es du monde r\u00e9el.<\/p>","protected":false},"author":18,"featured_media":13568,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[16,26],"tags":[],"ppma_author":[145],"class_list":["post-13544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lexique","category-premiers-pas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comprendre le r\u00f4le des oracles dans la DeFi - BIM Blog<\/title>\n<meta name=\"description\" content=\"Les oracles sont essentiels \u00e0 la DeFi. 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