A Coldcard hardware wallet firmware flaw has resulted in at least 1,596 BTC stolen from 7,300 addresses, sparking network congestion, exchange inflows, and phishing scams as users race to secure their funds.
Galaxy Research, Coldcard saldırılarında en az 15 farklı saldırganın olduğunu tespit etti. Çalınan coin'lerin %90'ı hala hareket etmedi. Saldırılar devam ediyor, kullanıcılar uyarıldı.
Galaxy Research updates Coldcard wallet hack losses to over $100M with 1,596 BTC stolen across 7,300 addresses, warning of ongoing attacks and urging immediate fund migration.
Small Bitcoin holders moved 39,600 BTC ($2.5 billion) on July 31, a rate not seen since the FTX collapse, following news that Coldcard hardware wallets generated guessable keys for five years. This prompted users to shift holdings, likely for safety, though Bitcoin's price remained stable.
Coldcard users face a new wave of coordinated Bitcoin thefts, with Galaxy's Alex Thorn flagging 709 affected addresses and 448.7 BTC moved. This follows a disclosed firmware flaw causing compromised wallet seeds, with total losses now estimated over $90 million.
Coldcard Bitcoin hardware wallet users are facing a new wave of coordinated thefts, with Galaxy research head Alex Thorn reporting 218 transactions impacting 462 addresses and moving 388.9 BTC. This follows the disclosure of a firmware flaw causing less entropy in wallet seeds, leading to an estimated $90 million in Bitcoin stolen from over 1,100 wallets.
Galaxy Research reports a third wave of Bitcoin thefts from compromised Coldcard hardware wallets, bringing total losses to $88.6 million across 4,585 addresses. The exploit, linked to a 2021 firmware flaw, is ongoing, with all vulnerable devices expected to be drained, prompting users to move funds.
Coinkite's Coldcard wallets suffered a firmware error, leading to 1,367 BTC ($89M) being drained. This caused a surge in Bitcoin transactions as users migrated funds, blurring market signals. US AI guardrails hindered tracing efforts, forcing investigators to use open-source Chinese models.
Un rapport de Galaxy Research révèle que le nombre de Bitcoins volés via la faille de génération de seeds des Coldcard Mk3 a doublé, atteignant environ 1083 BTC (70 millions de dollars). L'attaque initiale, survenue le 30 juillet, a touché 1196 adresses avant l'alerte publique de Coinkite.
Binance founder Changpeng "CZ" Zhao warned crypto owners about hardware wallet vulnerabilities after a Coldcard exploit drained over $70 million in Bitcoin. A flaw in firmware shipped in March 2021 allowed private keys to be guessed, affecting 1,196 addresses, prompting Coinkite to issue hotfixes.
Galaxy Research identified 1,196 addresses linked to a Coldcard wallet incident where 1,082.65 Bitcoin ($70.2 million) was lost on July 30. Coinkite, Coldcard's maker, acknowledged a firmware bug and released a hotfix, advising affected users to move funds to a new seed.
Le Clarity Act, loi clé pour la régulation des crypto-actifs aux États-Unis, n'a plus que 50% de chances d'être adopté cette année, selon Galaxy Research. Le calendrier serré du Sénat et un bras de fer politique entre Donald Trump et le Congrès menacent de reporter le texte, impactant la compétitivité crypto américaine.
Over six weeks, US Bitcoin ETFs lost $5.94 billion, the longest unbroken outflow since 2024, with Bitcoin dropping to a 21-month low near $58,000. Despite this, long-term holders (owning 83% of circulating BTC) remain unchanged, indicating capitulation among newer ETF investors rather than a broader market shift.
New research from Galaxy Digital suggests Bitcoin's cycle low may occur at higher price levels than in past bear markets, potentially between $62,000 and $53,600. Analysis indicates a less speculative market and a 'calm top' could raise the floor, though demand data shows a cautious picture.
A 2011 Casascius physical Bitcoin coin holding 25 BTC has moved this week, converting the artifact into spendable cryptocurrency. The coin, valued at $1.78 million, was transferred to a new address, marking a custody transition rather than a confirmed sale, amid a broader market selloff.
The CLARITY Act has stalled in Senate Banking deliberations, threatening comprehensive crypto market rules. Galaxy Research gives it roughly 50-50 odds of passage this year. The stall creates an unintended experiment: if exchanges can operate in the unsettled regulatory perimeter around stablecoin rewards, the market could generate empirical data on whether exchange-funded inducements actually drain bank deposits—a debate currently fought with projections ranging from $2.1 billion to $6.6 trillion. The stablecoin market stands at over $320 billion against $19.1 trillion in US commercial bank deposits.
