{"id":23356,"date":"2026-08-04T14:08:49","date_gmt":"2026-08-04T14:08:49","guid":{"rendered":"https:\/\/www.coinspeaker.com\/fr\/?p=23356"},"modified":"2026-08-03T14:09:34","modified_gmt":"2026-08-03T14:09:34","slug":"bitcoin-une-faille-coldcard-entraine-la-perte-de-86m","status":"publish","type":"post","link":"https:\/\/www.coinspeaker.com\/fr\/bitcoin-une-faille-coldcard-entraine-la-perte-de-86m\/","title":{"rendered":"Bitcoin : Une faille Coldcard entra\u00eene la perte de 86M$"},"content":{"rendered":"

Le dernier hack Bitcoin en date provient d’une vuln\u00e9rabilit\u00e9 de g\u00e9n\u00e9rateur de nombres pseudo-al\u00e9atoires (PRNG) int\u00e9gr\u00e9e au micrologiciel des portefeuilles mat\u00e9riels Coldcard depuis mars 2021. Selon une cartographie on-chain publi\u00e9e par Galaxy Research<\/a> au 2 ao\u00fbt 2026, cette faille a entra\u00een\u00e9 la perte confirm\u00e9e de 1 367 BTC, soit environ 86 millions de dollars, r\u00e9partis sur 4 585 adresses.<\/p>\r\n

Cet incident repr\u00e9sente le pire piratage de hardware wallet de l’histoire du Bitcoin en termes de pertes confirm\u00e9es. Fait marquant : il n’a n\u00e9cessit\u00e9 aucun phishing, aucun acc\u00e8s physique \u00e0 l’appareil, ni aucune erreur de la part des utilisateurs. Il ne s’agit pas d’un simple \u00e9chec du produit Coldcard.<\/p>\r\n

\ud83d\udea8 A 3rd wave in what we suspect are hacks of Coldcard-generated addresses has been identified in which 207.7294 BTC has been drained.

Our estimated observed size of the Coldcard hack is now 1,367.05 BTC (~$88.6m) across 4,585 addresses.

More updates in the thread below \ud83d\udc47
https:\/\/t.co\/hPtXh9444D<\/a> pic.twitter.com\/g6xA4OOi2f<\/a><\/p>— Galaxy Research (@glxyresearch) August 1, 2026<\/a><\/blockquote>