{"id":53398,"date":"2026-09-16T13:47:01","date_gmt":"2026-09-16T13:47:01","guid":{"rendered":"https:\/\/volity.io\/blog\/crypto-usdc-bitcoin-custody-2\/"},"modified":"2026-09-16T23:42:22","modified_gmt":"2026-09-16T23:42:22","slug":"crypto-usdc-bitcoin-custody","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/actualites\/crypto-usdc-bitcoin-custody\/","title":{"rendered":"March\u00e9 crypto : USDC, minage de Bitcoin et virage des banques vers la conservation"},"content":{"rendered":"<h2>Matin\u00e9e crypto : des dollars sur la blockchain, des coupures de courant en \u00c9thiopie et des banques qui se rapprochent<\/h2>\n\n<p>Les cours des cryptos restent agit\u00e9s, tandis que les changements les plus durables se produisent sous la surface des \u00e9crans.<\/p>\n\n<p>Circle place le dollar au centre d&rsquo;une nouvelle blockchain. Pendant ce temps, les mineurs \u00e9thiopiens font face \u00e0 des p\u00e9nuries d&rsquo;hydro\u00e9lectricit\u00e9. Deutsche Bank, de son c\u00f4t\u00e9, pr\u00e9pare un service de conservation r\u00e9glement\u00e9 pour les grands clients.<\/p>\n\n<p>Ces \u00e9volutions ont un point commun : la crypto devient une infrastructure. Ce basculement pourrait s&rsquo;av\u00e9rer plus important qu&rsquo;un apr\u00e8s-midi agit\u00e9 sur le Bitcoin.<\/p>\n\n<h2>Circle place l&rsquo;USDC aux commandes<\/h2>\n\n<p>Circle a lanc\u00e9 le mainnet d&rsquo;Arc avec un choix inhabituel : <b>l&rsquo;USDC y sert de jeton de gas natif<\/b>.<\/p>\n\n<p>Les utilisateurs paient les frais de transaction en dollars, et non dans un jeton de r\u00e9seau distinct et volatil. Les institutions peuvent donc estimer leurs co\u00fbts de r\u00e8glement sans surveiller les fortes variations d&rsquo;un autre jeton.<\/p>\n\n<p>Arc cible les paiements en stablecoins, le r\u00e8glement sur les march\u00e9s de capitaux et la finance d\u00e9centralis\u00e9e institutionnelle. Il s&rsquo;appuie sur le moteur de consensus Malachite, d\u00e9riv\u00e9 de Tendermint, et offre une finalit\u00e9 des transactions en moins d&rsquo;une seconde.<\/p>\n\n<p>La cha\u00eene prend aussi en charge les applications compatibles avec Ethereum. Les d\u00e9veloppeurs peuvent ainsi transf\u00e9rer des logiciels bas\u00e9s sur l&rsquo;EVM sans reconstruire chaque contrat intelligent.<\/p>\n\n<p>Sa liste de validateurs fondateurs donne au projet une coloration nettement issue de la finance traditionnelle. BlackRock, DTCC, ICE, Mastercard, Visa, Standard Chartered, SBI Group et MoneyGram y figurent.<\/p>\n\n<p>Galaxy, Global Payments et Sumitomo Corporation comptent aussi parmi les premiers validateurs. Cela ne garantit \u00e9videmment pas des volumes significatifs.<\/p>\n\n<p>Reste que de telles entreprises pr\u00eatent rarement leur nom \u00e0 des exp\u00e9riences sans vis\u00e9e commerciale. Arc ressemble moins au lancement d&rsquo;un jeton destin\u00e9 aux particuliers qu&rsquo;\u00e0 une tuyauterie de paiement.<\/p>\n\n<p>Circle a s\u00e9par\u00e9 l&rsquo;\u00e9conomie des transactions de la gouvernance de la cha\u00eene. L&rsquo;USDC g\u00e8re les frais et le r\u00e8glement, tandis que le jeton <b>ARC<\/b> est r\u00e9serv\u00e9 au staking et \u00e0 la gouvernance.<\/p>\n\n<p>L&rsquo;entreprise a initialement \u00e9mis 10 milliards de jetons ARC. Elle ne s&rsquo;est toutefois pas engag\u00e9e \u00e0 lancer publiquement ce jeton.<\/p>\n\n<p>Cette retenue compte. Circle semble privil\u00e9gier un usage r\u00e9glement\u00e9 avant d&rsquo;ouvrir le syst\u00e8me \u00e0 la demande sp\u00e9culative.<\/p>\n\n<p>Les d\u00e9tenteurs actuels d&rsquo;USDC n&rsquo;ont rien \u00e0 faire. Les soldes sur Ethereum, Solana, Base et Arbitrum restent inchang\u00e9s.<\/p>\n\n<p>Arc repr\u00e9sente un r\u00e9seau suppl\u00e9mentaire pour l&rsquo;USDC, et non une nouvelle version qui le remplacerait. Toute pr\u00e9tendue demande de \u00ab mise \u00e0 niveau \u00bb de l&rsquo;USDC doit donc \u00e9veiller imm\u00e9diatement les soup\u00e7ons.<\/p>\n\n<h2>L&rsquo;\u00e9lectricit\u00e9 bon march\u00e9 de l&rsquo;\u00c9thiopie co\u00fbte cher<\/h2>\n\n<p>Les mineurs de Bitcoin \u00e9thiopiens d\u00e9couvrent que des tarifs d&rsquo;\u00e9lectricit\u00e9 bas peuvent cacher une prime de risque brutale.<\/p>\n\n<p>Une p\u00e9riode de s\u00e9cheresse li\u00e9e \u00e0 El Ni\u00f1o a r\u00e9duit d&rsquo;environ 20 % les apports d&rsquo;eau dans les r\u00e9servoirs. Le r\u00e9seau, tr\u00e8s d\u00e9pendant de l&rsquo;hydro\u00e9lectricit\u00e9, dispose donc de moins d&rsquo;\u00e9nergie \u00e0 distribuer.<\/p>\n\n<p>La soci\u00e9t\u00e9 publique Ethiopian Electric Power a ramen\u00e9 l&rsquo;approvisionnement des mineurs \u00e0 23 % des volumes d&rsquo;\u00e9lectricit\u00e9 pr\u00e9vus par contrat. Cette mesure fait suite \u00e0 de pr\u00e9c\u00e9dentes r\u00e9ductions \u00e0 75 %, puis \u00e0 50 %.<\/p>\n\n<p>Ces chiffres r\u00e9v\u00e8lent l&rsquo;ampleur de l&#8217;empreinte locale du secteur. Les mineurs consomment pr\u00e8s d&rsquo;un tiers des 9 730 m\u00e9gawatts de capacit\u00e9 de production de l&rsquo;\u00c9thiopie.<\/p>\n\n<p>Ils ont aussi fourni environ 35 % des recettes d&rsquo;EEP au cours du dernier exercice. Mais les recettes ne p\u00e8sent pas lourd quand les m\u00e9nages et les usines ont besoin de courant.<\/p>\n\n<p>L&rsquo;op\u00e9rateur a clairement \u00e9tabli ses priorit\u00e9s. Les particuliers et les industriels passent en premier, tandis que le minage de Bitcoin devient la charge ajustable du r\u00e9seau.<\/p>\n\n<p>Les autorit\u00e9s pr\u00e9voient une nouvelle \u00e9valuation en octobre. De nouvelles coupes restent toutefois possibles si le niveau de l&rsquo;eau ne remonte pas.<\/p>\n\n<p>Des restrictions sur les exportations r\u00e9gionales d&rsquo;\u00e9lectricit\u00e9 pourraient aussi suivre. Un ph\u00e9nom\u00e8ne m\u00e9t\u00e9orologique local se transformerait alors en probl\u00e8me plus large pour le march\u00e9 de l&rsquo;\u00e9nergie.<\/p>\n\n<p>Pour les mineurs cot\u00e9s, l&rsquo;\u00c9thiopie constitue un avertissement utile. Une \u00e9nergie bon march\u00e9 n&rsquo;est pas une simple donn\u00e9e de tableur.<\/p>\n\n<p>Elle d\u00e9pend des pr\u00e9cipitations, des r\u00e9servoirs, de la politique et de la tol\u00e9rance du public. Quand ces conditions changent, un contrat d&rsquo;\u00e9lectricit\u00e9 \u00e0 long terme peut n&rsquo;offrir qu&rsquo;un r\u00e9confort de tr\u00e8s courte dur\u00e9e.<\/p>\n\n<h2>Deutsche Bank choisit la conservation plut\u00f4t que le spectacle<\/h2>\n\n<p>Deutsche Bank emprunte une voie plus mesur\u00e9e vers les actifs num\u00e9riques. Elle pr\u00e9voit de lancer plus tard cette ann\u00e9e un service de conservation r\u00e9glement\u00e9 pour ses clients institutionnels et ses entreprises clientes.<\/p>\n\n<p>La premi\u00e8re liste d&rsquo;actifs est volontairement restreinte : <b>Bitcoin, Ether, USDC, EURC et EURAU<\/b>.<\/p>\n\n<p>Les clients pourront mettre leurs actifs en s\u00e9curit\u00e9 et les transf\u00e9rer \u00e0 des tiers. Deutsche Bank g\u00e9rera de son c\u00f4t\u00e9 les portefeuilles et l&rsquo;infrastructure des cl\u00e9s priv\u00e9es.<\/p>\n\n<p>Ce dispositif r\u00e9pond \u00e0 un probl\u00e8me institutionnel bien connu. Les comit\u00e9s d&rsquo;investissement peuvent accepter une exposition au Bitcoin, mais peu d&rsquo;entre eux veulent que leur personnel d\u00e9tienne des phrases de r\u00e9cup\u00e9ration.<\/p>\n\n<p>Les instruments financiers tokenis\u00e9s devraient arriver plus tard. La banque veut toutefois d&rsquo;abord mettre en place ses processus de conservation et obtenir ses autorisations r\u00e9glementaires.<\/p>\n\n<p>Le calendrier d\u00e9pend d&rsquo;un agr\u00e9ment au titre du cadre MiCA de l&rsquo;Union europ\u00e9enne. Deutsche Bank attend sa licence vers octobre, m\u00eame si le p\u00e9rim\u00e8tre et le calendrier peuvent encore \u00e9voluer.<\/p>\n\n<p>Il ne s&rsquo;agit pas d&rsquo;une invitation \u00e0 courir apr\u00e8s les actions bancaires ou les jetons crypto. C&rsquo;est plut\u00f4t un signal sur la direction que prend la demande institutionnelle.<\/p>\n\n<p>Les grands investisseurs veulent des actifs num\u00e9riques encadr\u00e9s par des contr\u00f4les familiers : conservation, audits, transferts autoris\u00e9s et contreparties responsables. L&rsquo;ancien syst\u00e8me financier ne remplace pas les rails de la crypto.<\/p>\n\n<p>Il y ajoute progressivement ses propres garde-fous.<\/p>\n\n<h2>Ce que les traders doivent surveiller<\/h2>\n\n<ul>\n  <li><b>Stablecoins :<\/b> Arc pourrait renforcer le r\u00f4le de l&rsquo;USDC dans le r\u00e8glement institutionnel, notamment l\u00e0 o\u00f9 la pr\u00e9visibilit\u00e9 des frais compte.<\/li>\n  <li><b>Actions mini\u00e8res :<\/b> Surveillez la concentration de la consommation \u00e9lectrique, la flexibilit\u00e9 des contrats et l&rsquo;exposition aux al\u00e9as m\u00e9t\u00e9orologiques, en plus des pr\u00e9visions de hashrate.<\/li>\n  <li><b>BTC et ETH :<\/b> Les projets de conservation de Deutsche Bank favorisent l&rsquo;acc\u00e8s \u00e0 long terme, plut\u00f4t qu&rsquo;un \u00e9lan imm\u00e9diat des prix.<\/li>\n  <li><b>ARC :<\/b> L&rsquo;offre initiale atteint 10 milliards de jetons, mais Circle n&rsquo;a pas confirm\u00e9 de lancement public.<\/li>\n<\/ul>\n\n<p>L&rsquo;histoire du march\u00e9 aujourd&rsquo;hui ne tient pas vraiment \u00e0 une bougie sur un graphique. Elle porte plut\u00f4t sur les rails du dollar, les contraintes \u00e9lectriques et la conservation r\u00e9glement\u00e9e.<\/p>\n\n<p>Les prix pourraient mettre du temps \u00e0 refl\u00e9ter ce basculement. L&rsquo;infrastructure, elle, est d\u00e9j\u00e0 en construction.<\/p>\n\n\n<h2 class=\"wp-block-heading volity-related-coverage\">Articles connexes sur Volity<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/volity.io\/fr\/crypto\/how-to-avoid-crypto-scams\/\">Comment \u00e9viter les arnaques crypto : liste de s\u00e9curit\u00e9 pour d\u00e9butants<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trading-platforms-fr\/how-to-choose-a-trading-platform\/\">Comment choisir une plateforme de trading : une liste de v\u00e9rification en 10 points<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trader\/demo-vs-live-trading-account\/\">D\u00e9mo vs compte de trading r\u00e9el : une liste de v\u00e9rification en 7 \u00e9tapes avant de passer en direct<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trader\/position-sizing-risk-per-trade\/\">Comment dimensionner un trade : taille de position et risque par trade pour d\u00e9butants<\/a><\/li>\n<li><a 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Bennett\",\"url\":\"https:\/\/volity.io\/\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Volity\",\"url\":\"https:\/\/volity.io\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/volity.io\/wp-content\/uploads\/2026\/03\/logo.webp\",\"width\":512,\"height\":512}},\"image\":\"https:\/\/volity.io\/wp-content\/uploads\/2026\/09\/CryptoCustodyShift.webp\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/volity.io\/fr\/actualites\/crypto-usdc-bitcoin-custody\/\"},\"articleSection\":\"News\",\"inLanguage\":\"fr\"}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Matin\u00e9e crypto : des dollars sur la blockchain, des coupures de courant en \u00c9thiopie et des banques qui se rapprochent Les cours [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":53393,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[223],"tags":[],"class_list":["post-53398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>March\u00e9 crypto : USDC, minage de Bitcoin et virage des banques vers la conservation | Volity<\/title>\n<meta name=\"description\" content=\"Circle place le dollar au c\u0153ur d&#039;une nouvelle blockchain, les mineurs \u00e9thiopiens font face \u00e0 des p\u00e9nuries d&#039;hydro\u00e9lectricit\u00e9 et Deutsche Bank pr\u00e9pare une\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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