Stories tagged “Hardware Wallet.”
13 stories
Coldcard, a Bitcoin hardware wallet maker, released new firmware (5.6.1 or 1.5.1Q) for its Mk4, Mk5, and Q models to address a seed-generation flaw that led to over $100 million in Bitcoin thefts. The update introduces new randomness requirements for seed generation and f…
Coinkite has released firmware updates for Coldcard hardware wallets, requiring user-supplied entropy to strengthen seed phrase generation after an exploit led to $112 million in Bitcoin losses. Users must generate new seed phrases to secure their funds.
BitBox, a Swiss company, has discovered and fixed 'severe vulnerabilities' in its hardware wallet's firmware. The vulnerabilities could have allowed an attacker to steal funds, but no funds were taken. Users are urged to update their firmware through the official BitBoxApp.
Cryptocurrency hardware wallet provider SafePal disclosed a data breach affecting 39,798 customers after an order-tracking flaw was exploited, with stolen data now being sold on a cybercrime forum.
Bitcoin thefts from Coldcard hardware wallets are slowing but total losses continue to rise, with Galaxy Research confirming over 1,778 BTC ($112 million) stolen and suspecting a higher total of 2,417 BTC.
US spot Bitcoin ETFs drew $382 million in two-day inflows, with Galaxy's ETF returning to gains, as a Coldcard hardware wallet hack reignited the debate over self-custody versus institutional custody solutions.
A $100 million Coldcard hardware wallet exploit, caused by a five-year-old firmware flaw, has prompted Bitcoin holders to re-evaluate and strengthen their self-custody security, moving towards collaborative multisig solutions.
A vulnerability in Coldcard hardware wallets, which generated guessable keys for five years, has led to a significant spike in small Bitcoin transfers and active addresses, reminiscent of the FTX collapse.
A fourth wave of attacks targeting Bitcoin held in Coldcard-generated addresses is ongoing, with an estimated 1,816 BTC (around $114 million) moved from over 5,200 addresses since July 30. Unlike previous waves, these transactions use replace-by-fee, offering victims a ch…
A suspected 4th wave of Coldcard attacks has swept 389 Bitcoin, with Galaxy research head Alex Thorn warning users of coordinated thefts targeting their hardware wallets.
A suspected Coldcard hardware wallet hack has led to 39,600 BTC being moved in small transactions, marking the highest daily level since the FTX collapse in November 2022.
Galaxy Research has significantly increased the estimated Bitcoin losses from a Coldcard hardware wallet incident to 1,082.65 BTC, valued at approximately $70.2 million. This new analysis expands upon earlier estimates, identifying more affected addresses and transactions.
A thief stole over $70 million in Bitcoin from Coldcard devices by exploiting a firmware bug. The thief used a top blockchain services provider to query source addresses and perform other related activity during the sweeps.