{"id":42496,"date":"2026-05-20T13:51:50","date_gmt":"2026-05-20T13:51:50","guid":{"rendered":"https:\/\/volity.io\/blog\/crypto-market-bridge-hacks-mica-2\/"},"modified":"2026-05-20T13:51:50","modified_gmt":"2026-05-20T13:51:50","slug":"crypto-market-bridge-hacks-mica","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/actualites\/crypto-market-bridge-hacks-mica\/","title":{"rendered":"March\u00e9 crypto aujourd&rsquo;hui : piratages de ponts, MiCA, demande d&rsquo;ETF Solana"},"content":{"rendered":"<h2>La crypto en 24 heures : les ponts se brisent, les r\u00e9gulateurs construisent les leurs<\/h2>\r\n\r\n<p>La crypto au cours des derni\u00e8res 24 heures nous a rappel\u00e9 une vieille v\u00e9rit\u00e9 : le rendement ne commence pas par le graphique, mais par la survie. Alors que les investisseurs d\u00e9battent du bitcoin \u00e0 95 000 $, l&rsquo;industrie r\u00e9pare ses ponts, discute avec les r\u00e9gulateurs et cherche une nouvelle \u00ab\u00a0couche de base\u00a0\u00bb institutionnelle.<\/p>\r\n\r\n<p>Le ton du march\u00e9 n&rsquo;est cependant plus \u00e0 la panique. L&rsquo;argent ne quitte pas la crypto ; il devient plus s\u00e9lectif. Les banques s&rsquo;int\u00e9ressent aux stablecoins, les fonds ach\u00e8tent des infrastructures et les particuliers sont toujours \u00e0 la recherche du prochain jeton m\u00e8me \u00e0 courte dur\u00e9e de vie.<\/p>\r\n\r\n<h2>La s\u00e9curit\u00e9 p\u00e8se \u00e0 nouveau sur le rendement<\/h2>\r\n\r\n<p>L&rsquo;intrigue la plus pr\u00e9occupante de la journ\u00e9e est l&rsquo;exploit de KelpDAO, estim\u00e9 \u00e0 environ <b>292 millions de dollars<\/b>. LayerZero a divulgu\u00e9 les d\u00e9tails de l&rsquo;attaque et renforce les contr\u00f4les des messages inter-cha\u00eenes. Pour la DeFi, il s&rsquo;agit d&rsquo;une le\u00e7on d\u00e9sagr\u00e9able mais famili\u00e8re : les ponts restent le maillon le plus fragile de l&rsquo;infrastructure crypto.<\/p>\r\n\r\n<p>Bankr a surv\u00e9cu \u00e0 une attaque apr\u00e8s laquelle il est conseill\u00e9 aux utilisateurs de ne pas signer de transactions ni de connecter leurs portefeuilles. Cela signifie g\u00e9n\u00e9ralement une chose : l&rsquo;interface utilisateur ou l&rsquo;infrastructure associ\u00e9e a peut-\u00eatre \u00e9t\u00e9 prise en main par des attaquants.<\/p>\r\n\r\n<p>Changpeng Zhao de Binance, apr\u00e8s un incident sur GitHub, a de nouveau point\u00e9 du doigt le point faible du secteur. Les comptes de d\u00e9veloppeurs, les d\u00e9p\u00f4ts et les mises \u00e0 jour de code deviennent une porte d&rsquo;entr\u00e9e pour les attaques, et non une p\u00e9riph\u00e9rie technique.<\/p>\r\n\r\n<ul>\r\n  <li><b>Conseil pratique :<\/b> un rendement annuel suppl\u00e9mentaire de 5-10 % ne couvre pas le risque d&rsquo;une perte totale de d\u00e9p\u00f4t.<\/li>\r\n  <li><b>Pour le trader :<\/b> les positions dans les strat\u00e9gies inter-cha\u00eenes doivent \u00eatre consid\u00e9r\u00e9es comme plus risqu\u00e9es que le spot ordinaire.<\/li>\r\n  <li><b>Pour l&rsquo;investisseur :<\/b> toute signature de portefeuille inattendue doit \u00eatre trait\u00e9e comme malveillante jusqu&rsquo;\u00e0 preuve du contraire.<\/li>\r\n<\/ul>\r\n\r\n<h2>Les r\u00e9gulateurs d\u00e9battent, mais les r\u00e8gles se pr\u00e9cisent<\/h2>\r\n\r\n<p>En Europe, les consultations sur <a href=\"https:\/\/volity.io\/fr\/actualites\/crypto-clarity-act-vote-btc-80k\/\">MiCA<\/a> commencent. Ce n&rsquo;est pas le point final, mais le march\u00e9 a une occasion rare de voir les r\u00e8gles futures avant leur application stricte. Les projets ayant des clients europ\u00e9ens doivent d\u00e9sormais calculer le co\u00fbt des licences, du reporting et des partenaires bancaires.<\/p>\r\n\r\n<p>Aux \u00c9tats-Unis, l&rsquo;attention revient sur le <b>CLARITY Act<\/b>. Alex Thorn de Galaxy estime les chances d&rsquo;adoption du projet de loi \u00e0 <b>75 %<\/b>. Consensys, quant \u00e0 lui, pr\u00e9vient que les propositions de la FDIC pourraient \u00e9largir excessivement les restrictions pour les banques travaillant avec des entreprises crypto.<\/p>\r\n\r\n<p>Cela concerne bien plus que les avocats. L&rsquo;infrastructure du dollar reste la circulation sanguine du march\u00e9. Si les banques restreignent l&rsquo;acc\u00e8s aux comptes, la liquidit\u00e9 ressentira rapidement le froid, surtout sur les petites plateformes d&rsquo;\u00e9change et dans les produits d\u00e9riv\u00e9s.<\/p>\r\n\r\n<p>Donald Trump appelle \u00e9galement la Fed \u00e0 revoir les r\u00e8gles des <b>comptes ma\u00eetres<\/b> pour les entreprises crypto. La Caroline du Sud, en revanche, a interdit aux agences d&rsquo;\u00c9tat de rejoindre les programmes de <b>CBDC<\/b>. Les \u00c9tats-Unis ressemblent \u00e0 un march\u00e9 avec trois volants : Washington, les \u00c9tats et les tribunaux tirent le syst\u00e8me dans des directions diff\u00e9rentes.<\/p>\r\n\r\n<h2>Les institutions choisissent l&rsquo;infrastructure<\/h2>\r\n\r\n<p>Morgan Stanley a d\u00e9pos\u00e9 une nouvelle demande pour un <b><a href=\"https:\/\/volity.io\/fr\/crypto\/solana\/\">Solana<\/a> ETF<\/b> sous le ticker <b>MSOL<\/b>, avec une option de staking. Si le r\u00e9gulateur autorise cette structure, le march\u00e9 obtient un nouveau mod\u00e8le pour les ETF sur les r\u00e9seaux PoS. La conversation passe alors rapidement de \u00ab\u00a0pouvez-vous acheter le jeton\u00a0\u00bb \u00e0 \u00ab\u00a0pouvez-vous int\u00e9grer du rendement dans le fonds\u00a0\u00bb.<\/p>\r\n\r\n<p>Mouro cl\u00f4ture \u00e9galement un fonds de <b>400 millions de dollars<\/b> pour investir \u00e0 l&rsquo;intersection de l&rsquo;IA, de la blockchain, de la fintech et de l&rsquo;infrastructure. Santander figure parmi les soutiens de cette structure. Le signal est clair : l&rsquo;argent du capital-risque ne court pas seulement apr\u00e8s les m\u00e8mes. Il ach\u00e8te les rails qui transporteront plus tard les paiements, le cr\u00e9dit et les d\u00e9p\u00f4ts tokenis\u00e9s.<\/p>\r\n\r\n<p>D&rsquo;autres transactions montrent le m\u00eame changement. Paradigm investit <b>110 millions de dollars<\/b> dans SendCutSend et \u00e9largit le champ au-del\u00e0 de la pure crypto. Zerohash, apr\u00e8s le d\u00e9part de Mastercard, cherche une valorisation autour de <b>1,5 milliard de dollars<\/b>. Ark Invest ach\u00e8te une participation dans Bullish apr\u00e8s une baisse, misant sur des plateformes r\u00e9glement\u00e9es.<\/p>\r\n\r\n<h2>Les stablecoins deviennent un produit bancaire<\/h2>\r\n\r\n<p>Les stablecoins ressemblent de moins en moins \u00e0 un outil de niche pour les traders. L&rsquo;investisseur surnomm\u00e9 le \u00ab\u00a0Buffett chinois\u00a0\u00bb se tourne vers Circle, l&rsquo;\u00e9metteur de l&rsquo;USDC. Il ne s&rsquo;agit pas d&rsquo;un pari sur un ticker \u00e0 la mode, mais sur une couche de r\u00e8glement mondiale en dollars.<\/p>\r\n\r\n<p>En Europe, le consortium Qivalis s&rsquo;\u00e9tend via <b>ABN AMRO<\/b> et <b>Rabobank<\/b>. Le signal le plus int\u00e9ressant vient cependant du Royaume-Uni : la Banque d&rsquo;Angleterre affirme directement que les d\u00e9p\u00f4ts tokenis\u00e9s et les stablecoins devraient faire partie du syst\u00e8me de paiement.<\/p>\r\n\r\n<p>En d&rsquo;autres termes, les banques ne sont plus seulement sur la d\u00e9fensive. Elles veulent diriger le march\u00e9 de la monnaie num\u00e9rique avant que les \u00e9metteurs non bancaires ne s&#8217;emparent de l&rsquo;interface client et de la marge.<\/p>\r\n\r\n<h2>Le Bitcoin conserve son r\u00f4le d&rsquo;ancre, l&rsquo;Ether cherche un argument<\/h2>\r\n\r\n<p>Pour le bitcoin, le march\u00e9 discute \u00e0 nouveau de la fourchette de <b>60 000 $ &#8211; 95 000 $<\/b>. K33 voit la zone des <b>60 000 $<\/b> comme un possible creux de cycle. D&rsquo;autres mod\u00e8les, dont le MVRV, permettent un mouvement vers <b>95 000 $<\/b> si la macro\u00e9conomie ne brise pas la demande.<\/p>\r\n\r\n<p>Mais il s&rsquo;agit d&rsquo;un sc\u00e9nario, pas d&rsquo;un billet sans retour. Pour le trader, ce qui compte davantage, c&rsquo;est que les grands acteurs traitent toujours le bitcoin comme le premier actif pour une entr\u00e9e institutionnelle. Ainsi, les baisses du BTC sont d\u00e9sormais plus souvent interpr\u00e9t\u00e9es comme un test de liquidit\u00e9 que comme une annulation de tout le cycle.<\/p>\r\n\r\n<p>La situation de l&rsquo;Ethereum est plus complexe. JPMorgan note que le <a href=\"https:\/\/volity.io\/fr\/guide-trading-crypto\/\">Bitcoin<\/a> devient la nouvelle couche de base institutionnelle tandis que l&rsquo;Ethereum est \u00e0 la tra\u00eene. En une semaine, l&rsquo;ETH a perdu environ <b>10 %<\/b>, les grands portefeuilles ont r\u00e9duit leurs positions et le canal ascendant s&rsquo;est fissur\u00e9.<\/p>\r\n\r\n<p>Vitalik Buterin propose quant \u00e0 lui un plan en trois \u00e9tapes pour renforcer la confidentialit\u00e9 d&rsquo;Ethereum. L&rsquo;accent est probablement remis sur la technologie zk et les couches priv\u00e9es au-dessus du r\u00e9seau principal. Le march\u00e9 paie actuellement pour l&rsquo;utilisation, les frais et un rendement pr\u00e9visible, et non pour des feuilles de route.<\/p>\r\n\r\n<h2>Les altcoins et les m\u00e8mes sont toujours vivants, mais l&rsquo;air se rar\u00e9fie<\/h2>\r\n\r\n<p>Le Dogecoin s&rsquo;accroche \u00e0 nouveau \u00e0 environ <b>0,10 $<\/b>. Les analystes techniques voient une grande formation de \u00ab\u00a0fond arrondi\u00a0\u00bb, mais sans afflux d&rsquo;argent frais, un tel mod\u00e8le se transforme rapidement en une belle image apr\u00e8s coup.<\/p>\r\n\r\n<p>Le XRP b\u00e9n\u00e9ficie d&rsquo;une nouvelle vague d&rsquo;attention gr\u00e2ce \u00e0 l&rsquo;histoire de l&rsquo;ETF. Les haussiers visent les <b>2 $<\/b>, mais la zone autour de <b>1,50 $<\/b> reste une r\u00e9sistance lourde. C&rsquo;est aussi la zone naturelle pour prendre des b\u00e9n\u00e9fices apr\u00e8s de fortes hausses.<\/p>\r\n\r\n<p>Les services de cloud-mining sont commercialis\u00e9s avec des promesses allant jusqu&rsquo;\u00e0 <b>5 700 $ par jour<\/b>. Ces chiffres doivent \u00eatre lus comme un avertissement, et non comme une id\u00e9e d&rsquo;investissement. Lorsque le risque n&rsquo;est pas expliqu\u00e9 en d\u00e9tail, il est g\u00e9n\u00e9ralement transf\u00e9r\u00e9 sur le client.<\/p>\r\n\r\n<p>Sur le march\u00e9 des pr\u00e9ventes, Meme Punch a lev\u00e9 environ <b>140 000 $ en une journ\u00e9e<\/b>, et des projets comme DOGEBALL vendent le r\u00eave d&rsquo;un nouveau multiplicateur de gains. Plus le marketing est bruyant, plus la liquidit\u00e9 est souvent \u00e9ph\u00e9m\u00e8re.<\/p>\r\n\r\n<h2>Personnes, droit et rails r\u00e9els<\/h2>\r\n\r\n<p>Meta d\u00e9place son attention vers l&rsquo;IA, ce qui touche les \u00e9quipes crypto et Web3. Le march\u00e9 du travail dans le secteur reste in\u00e9gal : les unit\u00e9s exp\u00e9rimentales sont r\u00e9duites, tandis que les projets de paiement et d&rsquo;infrastructure continuent d&#8217;embaucher de mani\u00e8re s\u00e9lective.<\/p>\r\n\r\n<p>OpenTrade aide la fintech Ontop \u00e0 transformer les soldes inutilis\u00e9s des comptes de paie en rendement en dollars sur la cha\u00eene. Tempo, li\u00e9 \u00e0 Stripe, lance le pr\u00eat DeFi Morpho au sein de sa propre cha\u00eene de paiement et vise <b>7,5 milliards de dollars<\/b> de volume.<\/p>\r\n\r\n<p>L&rsquo;application de la loi n&rsquo;est pas loin derri\u00e8re. En Irlande, <b>1 000 BTC<\/b> ont \u00e9t\u00e9 saisis dans une affaire de drogue. Dans le Minnesota, un d\u00e9bat autour des march\u00e9s de pr\u00e9diction a atteint un conflit avec la CFTC. L&rsquo;anonymat \u00e0 grande \u00e9chelle devient une illusion de plus en plus co\u00fbteuse.<\/p>\r\n\r\n<h2>Ce qu&rsquo;il faut trader avec plus de prudence<\/h2>\r\n\r\n<ul>\r\n  <li><b>Rendement inter-cha\u00eenes :<\/b> les ponts offrent de la commodit\u00e9 mais comportent un risque distinct de d\u00e9faillance de l&rsquo;infrastructure.<\/li>\r\n  <li><b>ETH vs BTC :<\/b> le bitcoin ressemble actuellement \u00e0 un actif institutionnel plus clair.<\/li>\r\n  <li><b>Solana :<\/b> le d\u00e9p\u00f4t de l&rsquo;ETF de staking MSOL pourrait soutenir le segment des ETF PoS.<\/li>\r\n  <li><b>Stablecoins :<\/b> Circle, les consortiums bancaires et les d\u00e9p\u00f4ts tokenis\u00e9s deviennent le centre du nouveau cycle.<\/li>\r\n  <li><b>Pr\u00e9ventes de m\u00e8mes :<\/b> les promesses agressives n\u00e9cessitent plus souvent un refus froid qu&rsquo;une audace.<\/li>\r\n<\/ul>\r\n\r\n<p>Le march\u00e9 arrive \u00e0 maturit\u00e9 de mani\u00e8re in\u00e9gale. D&rsquo;un c\u00f4t\u00e9, les piratages semblent encore presque routiniers. De l&rsquo;autre, les banques, les fonds et les r\u00e9gulateurs construisent d\u00e9j\u00e0 des canaux de capitaux permanents. Dans un march\u00e9 comme celui-ci, le gagnant n&rsquo;est pas le jeton le plus bruyant, mais celui qui dispose de liquidit\u00e9s, d&rsquo;un contr\u00f4le des risques et d&rsquo;une raison d&rsquo;exister apr\u00e8s le prochain repli.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading volity-related-coverage\">Related coverage on Volity<\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><a href=\"https:\/\/volity.io\/fr\/actualites\/bitcoin-below-80k-etf-flows\/\">Bitcoin Below $80k as ETF Flows, Tokenised Treasuries Grow<\/a><\/li>\r\n<li><a href=\"https:\/\/volity.io\/fr\/actualites\/master-crypto-investments\/\">Master Crypto Investments: Navigating Risk and Opportunities<\/a><\/li>\r\n<li><a href=\"https:\/\/volity.io\/fr\/actualites\/bitcoin-below-77k-etf-outflows\/\">Bitcoin Dips Below $77k as ETFs Shed $1bn<\/a><\/li>\r\n<li><a href=\"https:\/\/volity.io\/fr\/actualites\/bitcoin-price-holds-78000-clarity-act\/\">Bitcoin Holds $78,000 as CLARITY Act Tightens Crypto Rules<\/a><\/li>\r\n<li><a href=\"https:\/\/volity.io\/fr\/actualites\/crypto-investing-smart-returns\/\">How to Navigate Crypto and Investment Hype for Smart Returns<\/a><\/li>\r\n<\/ul>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>La crypto en 24 heures : les ponts se brisent, les r\u00e9gulateurs construisent les leurs La crypto au cours des derni\u00e8res 24 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":36084,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[229,223],"tags":[],"class_list":["post-42496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - 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