{"id":175071,"date":"2025-11-21T14:00:00","date_gmt":"2025-11-21T14:00:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=175071"},"modified":"2025-11-21T12:25:05","modified_gmt":"2025-11-21T12:25:05","slug":"uk-sfo-enquete-crypto-basis-markets","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/","title":{"rendered":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto"},"content":{"rendered":"<p>La Serious Fraud Office (SFO) britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e aux cryptomonnaies. Au c\u0153ur du dossier, l\u2019effondrement du sch\u00e9ma Basis Markets, qui aurait lev\u00e9 environ 28 millions de dollars fin 2021 avant de s\u2019\u00e9teindre en 2022. Deux suspects ont \u00e9t\u00e9 arr\u00eat\u00e9s lors de perquisitions \u00e0 Londres et West Yorkshire. L\u2019agence appelle d\u00e9sormais les victimes \u00e0 t\u00e9moigner et \u00e0 fournir des documents. L\u2019affaire marque un tournant pour l\u2019\u00e9cosyst\u00e8me au Royaume-Uni.<\/p><h2 class=\"wp-block-heading\"><strong>28 M$, deux arrestations et un appel \u00e0 t\u00e9moins<\/strong><\/h2><span class=\"replacer\"><\/span><p>Le communiqu\u00e9 officiel confirme l\u2019ouverture d\u2019une <strong>enqu\u00eate p\u00e9nale pour fraude et blanchiment<\/strong>. La SFO indique avoir saisi des supports num\u00e9riques et des dossiers financiers lors d\u2019op\u00e9rations coordonn\u00e9es.<\/p><p>Les enqu\u00eateurs visent l\u2019entit\u00e9 <strong>Basis Markets<\/strong> et des personnes li\u00e9es, soup\u00e7onn\u00e9es d\u2019avoir lev\u00e9 des fonds sous des promesses d\u2019investissement sophistiqu\u00e9es, puis d\u2019avoir interrompu leurs activit\u00e9s quelques mois plus tard. \u00c0 ce stade, il s\u2019agit de soup\u00e7ons. Aucune mise en accusation formelle n\u2019a \u00e9t\u00e9 annonc\u00e9e.<\/p><p>La chronologie est connue. Des <strong>lev\u00e9es<\/strong> ont eu lieu fin 2021, parfois associ\u00e9es \u00e0 des produits pr\u00e9sent\u00e9s comme des strat\u00e9gies de couverture ou des NFT \u00e0 valeur ajout\u00e9e. Au milieu de 2022, le projet invoque des risques r\u00e9glementaires am\u00e9ricains, puis <strong>cesse ses activit\u00e9s<\/strong>.<\/p><p>L\u2019affaire est <a href=\"https:\/\/cryptonews.com\/fr\/news\/alerte-xrp-faux-employes-ripple-scam\/\">troublante<\/a>. La SFO dit disposer d\u2019indices sur <strong>d\u2019\u00e9ventuels flux sortants et sur des documents promotionnels trompeurs<\/strong>. Elle demande aux investisseurs de partager contrats, re\u00e7us, adresses et correspondances. Elle esp\u00e8re ainsi r\u00e9ussir \u00e0 assembler une piste probante on-chain et off-chain.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Did you invest in Basis Markets?<br><br>We\u2019re\u202fappealing to anyone with knowledge of this crypto scheme to\u202fget in touch with\u202four team.<br><br>Hear from SFO investigator Martin Hall on why your information could help our inquiries\u2b07\ufe0f <a href=\"https:\/\/t.co\/Q3jx7HwjUx\">pic.twitter.com\/Q3jx7HwjUx<\/a><\/p>&mdash; Serious Fraud Office (SFO) (@UKSFO) <a href=\"https:\/\/twitter.com\/UKSFO\/status\/1991554129039356183?ref_src=twsrc%5Etfw\">November 20, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><h2 class=\"wp-block-heading\"><strong>Pourquoi c\u2019est majeur : mont\u00e9e en puissance judiciaire et message dissuasif<\/strong><\/h2><span class=\"replacer\"><\/span><p>L\u2019ouverture de cette m\u00e9ga-enqu\u00eate illustre <strong>la mont\u00e9e en gamme des autorit\u00e9s britanniques<\/strong>. La SFO dispose d\u00e9sormais de sp\u00e9cialistes crypto, de capacit\u00e9s de forensics et d\u2019un r\u00e9seau de coop\u00e9ration avec d\u2019autres services, notamment la police m\u00e9tropolitaine et les agences de recouvrement d\u2019avoirs.<\/p><p>Ce dossier sert de <strong>test grandeur nature<\/strong> pour les m\u00e9thodes d\u2019enqu\u00eate appliqu\u00e9es aux actifs num\u00e9riques. Il envoie aussi un signal aux promoteurs de <a href=\"https:\/\/cryptonews.com\/fr\/news\/5-milliards-btc-voles-manoir-londres-cryptoqueen-face-justice\/\">placements douteux<\/a>.<\/p><p>Par ailleurs, l\u2019impact d\u00e9passe le seul cas Basis. Les plateformes, les cabinets et les \u00e9metteurs op\u00e9rant au Royaume-Uni lisent dans ce mouvement <strong>un tour de vis sur la fronti\u00e8re entre produit d\u2019investissement et sch\u00e9ma promotionnel<\/strong>.<\/p><p>Les campagnes marketing, les promesses de performance et les montages multijuridictionnels seront <strong>davantage scrut\u00e9s<\/strong>. Les NFT utilis\u00e9s comme vecteurs de collecte pourraient faire l\u2019objet d\u2019une attention renforc\u00e9e. Cette vigilance s\u2019inscrit dans un contexte o\u00f9 le r\u00e9gulateur financier britannique resserre aussi son cadre sur la publicit\u00e9 et la distribution de produits crypto.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/hashtag\/Breaking?src=hash&amp;ref_src=twsrc%5Etfw\">#Breaking<\/a>: Two\u202fmen\u202fhave been arrested on suspicion of fraud and money laundering as part of a new SFO crypto investigation into\u202fBasis Markets.\u202f <br><br>SFO searches of residential properties in London and Yorkshire are ongoing.\u202f\u202f <br><br>Read more\u202fonline: <a href=\"https:\/\/t.co\/JoxTbzEsah\">https:\/\/t.co\/JoxTbzEsah<\/a> <a href=\"https:\/\/t.co\/fbno5V2Xe2\">pic.twitter.com\/fbno5V2Xe2<\/a><\/p>&mdash; Serious Fraud Office (SFO) (@UKSFO) <a href=\"https:\/\/twitter.com\/UKSFO\/status\/1991523360052756826?ref_src=twsrc%5Etfw\">November 20, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><h2 class=\"wp-block-heading\"><strong>La suite : proc\u00e9dure, risques p\u00e9naux et jalons \u00e0 surveiller<\/strong><\/h2><span class=\"replacer\"><\/span><p>\u00c0 court terme, la SFO <strong>poursuit la qu\u00eate de preuves<\/strong>. La priorit\u00e9 est de remonter les flux, dresser la cartographie des adresses li\u00e9es et confronter la documentation commerciale aux faits. L\u2019objectif est aussi d\u2019identifier la destination finale des avoirs.<\/p><p>Ensuite viennent les auditions. Les victimes et t\u00e9moins cl\u00e9s aideront \u00e0 mesurer la r\u00e9alit\u00e9 des promesses. Ainsi que le niveau d\u2019information des promoteurs sur les risques. Si le dossier se solidifie, le parquet pourra engager des poursuites pour <a href=\"https:\/\/cryptonews.com\/fr\/news\/washington-15m-usdt-coree-du-nord\/\">fraude<\/a>, blanchiment ou abus de confiance.<\/p><p>Quelques r\u00e9flexes s\u2019imposent pour les investisseurs. D\u2019abord, il faut rassembler les contrats, captures d\u2019\u00e9cran, confirmations de transaction et \u00e9changes d\u2019e-mails. Puis r\u00e9pondre \u00e0 l\u2019appel \u00e0 t\u00e9moins avec des \u00e9l\u00e9ments pr\u00e9cis, dat\u00e9s, contextualis\u00e9s. Enfin, \u00e9viter toute d\u00e9marche parall\u00e8le qui pourrait alt\u00e9rer la cha\u00eene de preuves.<\/p><p>Sur le plan march\u00e9, ce type d\u2019enqu\u00eate peut produire un <strong>effet d\u2019assainissement<\/strong>. Les acteurs les plus solides renforcent leurs processus. Les projets \u00e0 gouvernance floue, eux, perdent du terrain quand la due diligence devient la norme.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Source : <a href=\"https:\/\/www.gov.uk\/government\/organisations\/serious-fraud-office\" target=\"_blank\" rel=\"noreferrer noopener\">UK Serious Fraud Office<\/a><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Pour aller plus loin sur le sujet : <\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/hawk-tuah-girl-escroquerie-memecoin-hawk-proces\/\">Hawk Tuah\u201d Girl poursuivie pour une escroquerie memecoin : les holders sont-ils foutus ?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/ponzi-crypto-9m-condamnation\/\">Il promettait des gains quotidiens : 5 ans de prison pour un Ponzi crypto \u00e0 9,4M$<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/alerte-xrp-faux-employes-ripple-scam\/\">Alerte XRP : ils se font passer pour des employ\u00e9s Ripple pour vider votre portefeuille<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La Serious Fraud Office (SFO) britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e aux cryptomonnaies. Au c\u0153ur du dossier, l\u2019effondrement du sch\u00e9ma Basis Markets, qui aurait lev\u00e9 environ 28 millions de dollars fin 2021 avant de s\u2019\u00e9teindre en 2022. Deux suspects ont \u00e9t\u00e9 arr\u00eat\u00e9s lors de perquisitions \u00e0 Londres et West Yorkshire. L\u2019agence appelle d\u00e9sormais les [&hellip;]<\/p>\n","protected":false},"author":697,"featured_media":175072,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,1],"tags":[],"editors":[2551],"sponsored_companies":[],"class_list":["post-175071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain-news","category-news","editors-julien-leroy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto<\/title>\n<meta name=\"description\" content=\"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto\" \/>\n<meta property=\"og:description\" content=\"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/\" \/>\n<meta property=\"og:site_name\" content=\"Cryptonews France\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-21T14:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto\" \/>\n<meta name=\"twitter:description\" content=\"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto","description":"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/","og_locale":"fr_FR","og_type":"article","og_title":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto","og_description":"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.","og_url":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/","og_site_name":"Cryptonews France","article_published_time":"2025-11-21T14:00:00+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_title":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto","twitter_description":"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.","twitter_image":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#article","isPartOf":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/"},"author":{"name":"Sarah","@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/person\/5401bcfcf49e37c295d47592a5a71275"},"headline":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto","datePublished":"2025-11-21T14:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/"},"wordCount":739,"publisher":{"@id":"https:\/\/cryptonews.com\/fr\/#organization"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#primaryimage"},"thumbnailUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","articleSection":["Actualit\u00e9s Blockchain","News"],"inLanguage":"fr-FR","copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/cryptonews.com\/#organization"}},{"@type":"WebPage","@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/","url":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/","name":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto","isPartOf":{"@id":"https:\/\/cryptonews.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#primaryimage"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#primaryimage"},"thumbnailUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","datePublished":"2025-11-21T14:00:00+00:00","description":"La Serious Fraud Office britannique lance sa premi\u00e8re enqu\u00eate d\u2019ampleur li\u00e9e \u00e0 l\u2019effondrement du sch\u00e9ma Basis Markets.","breadcrumb":{"@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/"]}],"author":[]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#primaryimage","url":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","contentUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/11\/21122418\/1763727858-cryptonews-cover-35.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/cryptonews.com\/fr\/news\/uk-sfo-enquete-crypto-basis-markets\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cryptonews.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Royaume-Uni : la SFO ouvre sa premi\u00e8re m\u00e9ga-enqu\u00eate crypto"}]},{"@type":"WebSite","@id":"https:\/\/cryptonews.com\/fr\/#website","url":"https:\/\/cryptonews.com\/fr\/","name":"Cryptonews","description":"","publisher":{"@id":"https:\/\/cryptonews.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cryptonews.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/cryptonews.com\/fr\/#organization","name":"Cryptonews France","url":"https:\/\/cryptonews.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/09\/4.jpg","contentUrl":"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/09\/4.jpg","width":1669,"height":874,"caption":"Cryptonews France"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/175071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/users\/697"}],"replies":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/comments?post=175071"}],"version-history":[{"count":1,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/175071\/revisions"}],"predecessor-version":[{"id":175073,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/175071\/revisions\/175073"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/media\/175072"}],"wp:attachment":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/media?parent=175071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/categories?post=175071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/tags?post=175071"},{"taxonomy":"editors","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/editors?post=175071"},{"taxonomy":"sponsored_companies","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/sponsored_companies?post=175071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}