{"id":3446,"date":"2025-12-07T18:52:01","date_gmt":"2025-12-07T18:52:01","guid":{"rendered":"https:\/\/www.sumoanalysis.com\/?page_id=3446"},"modified":"2026-09-17T14:52:50","modified_gmt":"2026-09-17T14:52:50","slug":"cryptomonnaie","status":"publish","type":"page","link":"https:\/\/www.sumoanalysis.com\/fr\/lexique\/cryptomonnaie\/","title":{"rendered":"Cryptomonnaie"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3446\" class=\"elementor elementor-3446\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a09a6a8 e-flex e-con-boxed e-con e-parent\" data-id=\"a09a6a8\" data-element_type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3860d53 elementor-widget elementor-widget-html\" data-id=\"3860d53\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\n  :root {\n    --bg: #050509;\n    --bg-soft: #0b0b12;\n    --accent: #5cffc7;\n    --accent-soft: rgba(92, 255, 199, 0.12);\n    --text: #f5f5f7;\n    --muted: #9a9aa5;\n    --card-radius: 18px;\n    --card-border: 1px solid rgba(255,255,255,0.06);\n    --shadow-soft: 0 24px 60px rgba(0,0,0,0.6);\n    --max-width: 1120px;\n    --transition-fast: 180ms ease-out;\n    --font-main: system-ui, -apple-system, BlinkMacSystemFont, \"SF Pro Text\",\n      \"Segoe UI\", sans-serif;\n  }\n\n  *, *::before, *::after { box-sizing: border-box; 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border: 1px solid rgba(92,255,199,0.45); box-shadow: 0 18px 40px rgba(0,0,0,0.55); }\n  .cta-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 26px 60px rgba(0,0,0,0.75); border-color: rgba(92,255,199,0.7); }\n  .cta-btn-secondary { color: var(--text); background: rgba(6,6,10,0.72); border: 1px solid rgba(255,255,255,0.12); }\n  .cta-btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,0.9); border-color: rgba(92,255,199,0.6); background: rgba(6,6,10,0.95); }\n  .cta-note { margin: 2px 0 0; color: var(--muted); font-size: 0.82rem; }\n\n  .shortcode-slot { width: 100%; margin: 28px 0 28px; }\n\n  @media (max-width: 860px) {\n    .hero { grid-template-columns: minmax(0, 1fr); }\n    .hero-panel { order: -1; }\n    .content-grid { grid-template-columns: minmax(0, 1fr); }\n    .toc-card { position: relative; top: 0; }\n  }\n<\/style>\n\n<div class=\"page\">\n  <main>\n    <div class=\"shell\">\n\n      <div class=\"eyebrow\">\n        <span class=\"eyebrow-dot\"><\/span> Lexique crypto\n      <\/div>\n\n      <!-- HERO -->\n      <section class=\"hero\">\n        <div>\n          <h1>Qu'est-ce qu'une cryptomonnaie&nbsp;? D\u00e9finition et fonctionnement<\/h1>\n          <p class=\"hero-lead\">\n            Une cryptomonnaie est une monnaie num\u00e9rique qui s'\u00e9change de pair \u00e0 pair, sans banque ni interm\u00e9diaire, gr\u00e2ce \u00e0 la technologie\n            de la blockchain. Depuis le Bitcoin en 2009, des milliers de cryptomonnaies ont vu le jour, avec des usages vari\u00e9s. Voici ce\n            qu'il faut comprendre pour aborder cet univers sereinement.\n          <\/p>\n\n          <div class=\"hero-meta\">\n            <div class=\"hero-badge\">Monnaie num\u00e9rique<\/div>\n            <div class=\"hero-badge\">Blockchain &amp; cryptographie<\/div>\n            <div class=\"hero-badge\">D\u00e9centralisation<\/div>\n          <\/div>\n        <\/div>\n\n        <aside class=\"panel hero-panel\" aria-label=\"Visuel cryptomonnaie\">\n          <div class=\"glow-orb\"><\/div>\n\n          <h2>Illustration Cryptomonnaie<\/h2>\n          <p>Un aper\u00e7u rapide des concepts avant de rentrer dans le d\u00e9tail.<\/p>\n\n          <div class=\"signal-list\">\n            <div class=\"signal-item\">\n              <span class=\"signal-label\">Nature<\/span>\n              <span class=\"signal-value\">Monnaie digitale<\/span>\n            <\/div>\n            <div class=\"signal-item\">\n              <span class=\"signal-label\">Fonctionne via<\/span>\n              <span class=\"signal-value\">Blockchain<\/span>\n            <\/div>\n            <div class=\"signal-item\">\n              <span class=\"signal-label\">Point cl\u00e9<\/span>\n              <span class=\"signal-value\">Volatilit\u00e9<\/span>\n            <\/div>\n          <\/div>\n        <\/aside>\n      <\/section>\n\n      <!-- SHORTCODE #1 (required) -->\n      <div class=\"shortcode-slot\">\n        <!-- Cryptocurrency Widgets PRO 3.9.4  !--><div class=\" style-1-2 ccpw-ticker-cont \" ><div class=\"tickercontainer\">    <div id=\"ccpw-ticker-1911\"><div class=\"ccpw_react_widget\" id=\"ccpw_react_widgets_1911315306886\" data-attribute={\"type\":\"ticker\",\"selected_currency\":\"USD\",\"custom_currency\":\"\",\"show_coins\":\"10\",\"design\":\"style-1\",\"MbFormating\":\"on\",\"live_changes\":\"on\",\"bg_color\":\"#000000\",\"display_changes\":\"on\",\"speed\":\"40\",\"ticker_position\":\"shortcode\",\"random_id\":\"1911315306886\"}><\/div><\/div><\/div><\/div><style type='text\/css'>\r\n\t\t\t\t   .tooltip-title,\r\n\t\t\t\t   .ToolTipPortal .changes ,\r\n\t\t\t\t   .tooltip-list-vol,\r\n\t\t\t\t   .tooltip-market_cap{color:#ffffff;}\r\n\t\t\t   \r\n\t\t\t    \t\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 {background-color:#000000;}\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .ticker-name,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .ticker-symbol,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .live-pricing,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911  .ticker-price {color:#ffffff;}\r\n\t\t\t   <\/style>\n      <\/div>\n\n      <!-- CONTENT -->\n      <section class=\"content-grid\" aria-label=\"Contenu cryptomonnaie\">\n        <article class=\"panel prose-card\">\n          <div class=\"glow-orb\" aria-hidden=\"true\"><\/div>\n\n          <h2 id=\"definition\">Qu'est-ce qu'une cryptomonnaie&nbsp;?<\/h2>\n          <p>\n            Une cryptomonnaie est une monnaie num\u00e9rique qui existe uniquement sous forme \u00e9lectronique et s'\u00e9change directement entre\n            utilisateurs, sans passer par une banque ou une autorit\u00e9 centrale. Sa s\u00e9curit\u00e9 repose sur la cryptographie, une technique\n            math\u00e9matique qui garantit l'authenticit\u00e9 des transactions et emp\u00eache la fraude ou la contrefa\u00e7on.\n          <\/p>\n          <p>\n            Contrairement aux monnaies traditionnelles (euro, dollar), \u00e9mises et contr\u00f4l\u00e9es par des banques centrales, la plupart des\n            cryptomonnaies sont d\u00e9centralis\u00e9es : aucune institution unique ne les gouverne. C'est le r\u00e9seau des utilisateurs qui valide\n            et s\u00e9curise collectivement les \u00e9changes, via la technologie de la <a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/blockchain\/\">blockchain<\/a>.\n          <\/p>\n\n          <h2 id=\"fonctionnement\">Comment fonctionne une cryptomonnaie&nbsp;?<\/h2>\n          <p>\n            Le c\u0153ur d'une cryptomonnaie est la blockchain, un registre num\u00e9rique public et infalsifiable qui enregistre toutes les\n            transactions. Chaque op\u00e9ration est v\u00e9rifi\u00e9e collectivement par le r\u00e9seau, puis inscrite dans un bloc ajout\u00e9 \u00e0 la cha\u00eene\n            existante. Une fois inscrite, une transaction ne peut plus \u00eatre modifi\u00e9e ni supprim\u00e9e, ce qui garantit la fiabilit\u00e9 du syst\u00e8me.\n          <\/p>\n          <p>\n            Pour d\u00e9tenir et \u00e9changer des cryptomonnaies, on utilise un wallet (portefeuille num\u00e9rique), s\u00e9curis\u00e9 par des cl\u00e9s\n            cryptographiques. Seul le propri\u00e9taire de la cl\u00e9 priv\u00e9e peut autoriser une transaction, ce qui lui donne un contr\u00f4le total sur\n            ses fonds, mais aussi l'enti\u00e8re responsabilit\u00e9 de leur s\u00e9curit\u00e9.\n          <\/p>\n\n          <h2 id=\"types\">Bitcoin, Ethereum et les milliers d'autres<\/h2>\n          <p>\n            Toutes les cryptomonnaies ne se ressemblent pas. Le <a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/bitcoin\/\">Bitcoin<\/a>, la\n            premi\u00e8re d'entre elles, joue surtout le r\u00f4le de r\u00e9serve de valeur, souvent compar\u00e9e \u00e0 \u00ab l'or num\u00e9rique \u00bb. L'\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/ethereum-crypto\/\">Ethereum<\/a> a introduit les contrats intelligents, ouvrant la\n            voie \u00e0 la finance d\u00e9centralis\u00e9e et aux applications programmables.\n          <\/p>\n          <p>\n            \u00c0 c\u00f4t\u00e9 de ces deux g\u00e9ants, on trouve des milliers d'\u00ab altcoins \u00bb aux usages vari\u00e9s : stablecoins adoss\u00e9s au dollar, jetons de\n            finance d\u00e9centralis\u00e9e, tokens de gaming, projets d'infrastructure. Toutes se comparent notamment via leur\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/capitalisation-boursiere-des-cryptomonnaies\/\">capitalisation boursi\u00e8re<\/a>, qui\n            refl\u00e8te leur taille et leur importance sur le march\u00e9.\n          <\/p>\n\n          <h2 id=\"usages\">\u00c0 quoi servent les cryptomonnaies&nbsp;?<\/h2>\n          <p>\n            Les cryptomonnaies ont plusieurs usages concrets :\n          <\/p>\n          <ul>\n            <li>Moyen de paiement rapide et transfrontalier, sans interm\u00e9diaire bancaire.<\/li>\n            <li>R\u00e9serve de valeur et v\u00e9hicule d'investissement sur le long terme.<\/li>\n            <li>Actif de trading, exploit\u00e9 \u00e0 court ou moyen terme par les traders.<\/li>\n            <li>Carburant d'applications d\u00e9centralis\u00e9es (DeFi, NFT, gaming, Web3).<\/li>\n          <\/ul>\n\n          <h2 id=\"risques\">Volatilit\u00e9 et gestion du risque<\/h2>\n          <p>\n            Le point cl\u00e9 \u00e0 comprendre avant de se lancer, c'est la volatilit\u00e9. Les prix des cryptomonnaies peuvent varier de plusieurs\n            pourcents en quelques heures, \u00e0 la hausse comme \u00e0 la baisse. Cette volatilit\u00e9 cr\u00e9e des opportunit\u00e9s, mais aussi des risques\n            r\u00e9els de pertes importantes.\n          <\/p>\n          <p>\n            C'est pourquoi la gestion du risque est indispensable d\u00e8s le d\u00e9part. Ne jamais investir plus que ce que l'on peut se permettre\n            de perdre, se former avant d'agir, et s'appuyer sur une m\u00e9thode plut\u00f4t que sur l'\u00e9motion sont les principes de base de tout\n            d\u00e9butant s\u00e9rieux. Pour trader activement, l'\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/analyse-crypto-technique\/\">analyse technique<\/a> et une\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/take-profit-et-stop-loss\/\">gestion structur\u00e9e du risque<\/a> sont vos meilleurs alli\u00e9s.\n          <\/p>\n\n          <h2 id=\"sumo\">Trader les cryptomonnaies avec SumoAnalysis<\/h2>\n          <p>\n            Une fois les bases comprises, trader les cryptomonnaies sur un march\u00e9 aussi volatil demande m\u00e9thode et discipline. SumoAnalysis\n            met la puissance de l'intelligence artificielle \u00e0 votre service : l'\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/analyse-crypto\/\">analyse technique crypto<\/a> par IA identifie les configurations \u00e0 haute\n            probabilit\u00e9 sur plus de 1 500 cryptomonnaies, l'\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/trading-multi-temporel\/\">analyse multi-p\u00e9riodes<\/a> v\u00e9rifie leur coh\u00e9rence, et chaque\n            <a href=\"https:\/\/www.sumoanalysis.com\/fr\/signaux-trading\/\">signal crypto<\/a> arrive avec un plan complet : entr\u00e9e, stop loss et\n            objectifs. De quoi aborder l'univers crypto avec un cadre clair plut\u00f4t qu'\u00e0 l'aveugle.\n          <\/p>\n        <\/article>\n\n        <aside class=\"rail\" aria-label=\"Navigation et essai 7 jours\">\n          <div class=\"panel toc-card\">\n            <div class=\"glow-orb\"><\/div>\n\n            <div class=\"toc-title\">\n              <span>Dans cet article<\/span>\n              <span class=\"toc-hint\">Navigation<\/span>\n            <\/div>\n\n            <ul class=\"toc-list\">\n              <li><a href=\"#definition\">Qu'est-ce qu'une cryptomonnaie ?<\/a><\/li>\n              <li><a href=\"#fonctionnement\">Comment \u00e7a fonctionne ?<\/a><\/li>\n              <li><a href=\"#types\">Bitcoin, Ethereum et les autres<\/a><\/li>\n              <li><a href=\"#usages\">\u00c0 quoi servent-elles ?<\/a><\/li>\n              <li><a href=\"#risques\">Volatilit\u00e9 et gestion du risque<\/a><\/li>\n              <li><a href=\"#sumo\">Trader avec SumoAnalysis<\/a><\/li>\n            <\/ul>\n\n            <div style=\"margin-top:14px;\">\n              <div class=\"toc-title\" style=\"margin-bottom:10px;\">\n                <span>Points cl\u00e9s<\/span>\n                <span class=\"toc-hint\">Scan<\/span>\n              <\/div>\n\n              <div class=\"signal-list\">\n                <div class=\"signal-item\">\n                  <span class=\"signal-label\">Nature<\/span>\n                  <span class=\"signal-value\">Monnaie digitale<\/span>\n                <\/div>\n                <div class=\"signal-item\">\n                  <span class=\"signal-label\">Base<\/span>\n                  <span class=\"signal-value\">Blockchain<\/span>\n                <\/div>\n                <div class=\"signal-item\">\n                  <span class=\"signal-label\">S\u00e9curit\u00e9<\/span>\n                  <span class=\"signal-value\">Cryptographie<\/span>\n                <\/div>\n                <div class=\"signal-item\">\n                  <span class=\"signal-label\">Stockage<\/span>\n                  <span class=\"signal-value\">Wallet<\/span>\n                <\/div>\n                <div class=\"signal-item\">\n                  <span class=\"signal-label\">Point cl\u00e9<\/span>\n                  <span class=\"signal-value\">Volatilit\u00e9<\/span>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"panel related-card\">\n            <div class=\"glow-orb\"><\/div>\n\n            <div class=\"toc-title\">\n              <span>\u00c0 lire aussi<\/span>\n              <span class=\"toc-hint\">Lexique<\/span>\n            <\/div>\n\n            <ul class=\"related-list\">\n              <li><a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/bitcoin\/\"><span class=\"arrow\">\u2192<\/span> Qu'est-ce que le Bitcoin ?<\/a><\/li>\n              <li><a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/ethereum-crypto\/\"><span class=\"arrow\">\u2192<\/span> Qu'est-ce que l'Ethereum ?<\/a><\/li>\n              <li><a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/blockchain\/\"><span class=\"arrow\">\u2192<\/span> La blockchain expliqu\u00e9e<\/a><\/li>\n              <li><a href=\"https:\/\/www.sumoanalysis.com\/fr\/lexique\/analyse-crypto-technique\/\"><span class=\"arrow\">\u2192<\/span> L'analyse technique<\/a><\/li>\n              <li><a href=\"https:\/\/www.sumoanalysis.com\/fr\/signaux-trading\/\"><span class=\"arrow\">\u2192<\/span> Signaux crypto en temps r\u00e9el<\/a><\/li>\n            <\/ul>\n          <\/div>\n\n          <div class=\"panel cta-card\">\n            <div class=\"glow-orb\"><\/div>\n\n            <div class=\"eyebrow\" style=\"margin-bottom:12px;\">\n              <span class=\"eyebrow-dot\"><\/span> Acc\u00e8s Premium\n            <\/div>\n\n            <h3>Essayez SumoAnalysis pendant 7 jours.<\/h3>\n            <p>\n              Acc\u00e9dez aux signaux, \u00e0 l'analyse et aux plans de trade structur\u00e9s.\n              Annulez quand vous voulez.\n            <\/p>\n\n            <div class=\"cta-meta\">\n              <span class=\"cta-pill\">\u2705 Entr\u00e9e \/ SL \/ TP<\/span>\n              <span class=\"cta-pill\">\u2705 Signaux structur\u00e9s<\/span>\n              <span class=\"cta-pill\">\u2705 Multi-march\u00e9s<\/span>\n            <\/div>\n\n            <div class=\"cta-actions\">\n              <a class=\"cta-btn-primary\" href=\"https:\/\/www.sumoanalysis.com\/fr\/contactez-nous\/\">\n                Essai gratuit 7 jours\n              <\/a>\n              <a class=\"cta-btn-secondary\" href=\"https:\/\/www.sumoanalysis.com\/fr\/prix\/\">\n                Voir les tarifs\n              <\/a>\n            <\/div>\n\n            <p class=\"cta-note\">Essai 7 jours \u2022 Acc\u00e8s imm\u00e9diat \u2022 Sans engagement<\/p>\n          <\/div>\n        <\/aside>\n      <\/section>\n\n      <!-- SHORTCODE #2 (required) -->\n      <div class=\"shortcode-slot\">\n        <!-- Cryptocurrency Widgets PRO 3.9.4  !--><div class=\" style-1-2 ccpw-ticker-cont \" ><div class=\"tickercontainer\">    <div id=\"ccpw-ticker-1911\"><div class=\"ccpw_react_widget\" id=\"ccpw_react_widgets_1911577629779\" data-attribute={\"type\":\"ticker\",\"selected_currency\":\"USD\",\"custom_currency\":\"\",\"show_coins\":\"10\",\"design\":\"style-1\",\"MbFormating\":\"on\",\"live_changes\":\"on\",\"bg_color\":\"#000000\",\"display_changes\":\"on\",\"speed\":\"40\",\"ticker_position\":\"shortcode\",\"random_id\":\"1911577629779\"}><\/div><\/div><\/div><\/div><style type='text\/css'>\r\n\t\t\t\t   .tooltip-title,\r\n\t\t\t\t   .ToolTipPortal .changes ,\r\n\t\t\t\t   .tooltip-list-vol,\r\n\t\t\t\t   .tooltip-market_cap{color:#ffffff;}\r\n\t\t\t   \r\n\t\t\t    \t\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 {background-color:#000000;}\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .ticker-name,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .ticker-symbol,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911 .live-pricing,\r\n\t\t\t\t   .tickercontainer #ccpw-ticker-1911  .ticker-price {color:#ffffff;}\r\n\t\t\t   <\/style>\n      <\/div>\n\n    <\/div>\n  <\/main>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4319d38 e-flex e-con-boxed e-con e-parent\" data-id=\"4319d38\" data-element_type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb4e4b3 elementor-widget elementor-widget-spacer\" data-id=\"eb4e4b3\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lexique crypto Qu&rsquo;est-ce qu&rsquo;une cryptomonnaie&nbsp;? D\u00e9finition et fonctionnement Une cryptomonnaie est une monnaie num\u00e9rique qui s&rsquo;\u00e9change de pair \u00e0 pair, sans banque ni interm\u00e9diaire, gr\u00e2ce \u00e0 la technologie de la blockchain. Depuis le Bitcoin en 2009, des milliers de cryptomonnaies ont vu le jour, avec des usages vari\u00e9s. Voici ce qu&rsquo;il faut comprendre pour aborder [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":3439,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"Cryptomonnaie : d\u00e9finition, fonctionnement et usages | SumoAnalysis","_yoast_wpseo_metadesc":"Qu'est-ce qu'une cryptomonnaie ? D\u00e9finition, fonctionnement (blockchain, wallet, cryptographie), types (Bitcoin, Ethereum, altcoins) et usages. Le guide pour d\u00e9buter.","footnotes":""},"class_list":["post-3446","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cryptomonnaie : d\u00e9finition, fonctionnement et usages | SumoAnalysis<\/title>\n<meta name=\"description\" content=\"Qu&#039;est-ce qu&#039;une cryptomonnaie ? D\u00e9finition, fonctionnement (blockchain, wallet, cryptographie), types (Bitcoin, Ethereum, altcoins) et usages. 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