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Mysten Labs co-founder and chief cryptographer Kostas Chalkias says he has quietly leased a factory to mass-produce quantum-resistant hardware wallet cards for Sui, aiming to keep...
Mobile wallets may offer a smoother experience, but critics warn they introduce a much broader attack surface than dedicated hardware.
A security vulnerability in the cryptocurrency hardware wallet Coldcard is allowing hackers to drain the crypto from victims’ wallets. The total losses amount to more than $130 mil...
Former Ripple CTO David Schwartz rejects paper wallets after the Coldcard hack, revealing a 'nuclear briefcase' trick to secure Bitcoin inheritance.
ZachXBT calls hardware wallets “garbage,” targets Ledger, and suggests a dedicated iPhone for managing large crypto holdings.
If you are moving coins off an exchange into a cold wallet, the search you type is almost always the same: Ledger vs Trezor.Continue reading on Medium »
Firmware 5.6.1 and 1.5.1Q harden new wallet creation but cannot repair a seed made on an affected release. The post Coldcard now requires 65 key presses after seed exploit, while e...
XRP Ledger creator David Schwartz proposed splitting Bitcoin wallet devices and PIN access among four trusted people after the Coldcard attacks.
An attacker drained 1,196 Bitcoin addresses in 41 minutes on July 30, taking 1,082.65 BTC worth about $70.2 million at the time. Galaxy Research mapped the sweep and tied it to a f...
ZachXBT recently argued that a dedicated iPhone offers better security than a hardware wallet, a line of reasoning that already splits crypto's security community. Both devices are...
BHWI has published parity tests, but downstream wallets still face packaging, platform and integration work. The post Popular Bitcoin wallets risk losing support for new hardware d...
By Danny Sanders, Chief Commercial Officer, Trezor If you own a hardware wallet and you have spent the last few days worried, I completely understand. The recent Coldcard incident...
Coldcard has released firmware versions 5.6.1 and 1.5.1Q after a three-week security review, while warning that users with affected seed phrases must create new wallets and move th...
Coldcard hardware wallet exploit exposes a harsh lesson: Self-custody is only as strong as key generationA firmware flaw affecting some Coldcard hardware wallets has highlighted th...
With cryptocurrency wallets becoming huge targets for hackers, using a cold wallet to protect your private keys has never been more important.
The five-year bug escaped detection because auditors verified that the intended random number generator existed, but not that it was being called. Coldcard’s five-year seed-generat...
Coldcard’s five-year seed-generation flaw has renewed calls for independent testing of hardware wallet firmware after suspected attacks have drained nearly $90 million worth of Bit...
Onchain investigator ZachXBT has ignited a fresh debate over crypto self-custody after declaring that today’s hardware wallets are “complete garbage” and unsuitable for signing imp...
The Coldcard exploit is not a hack in the way most people understand the word. Nobody broke into anything. Nobody phished anyone. Nobody stole a seed phrase from a sticky note. The...
The Coldcard hack highlights the urgent need for regulatory standards in hardware wallet security to protect investors and maintain trust. The post Coldcard maker Coinkite preparin...
A Coldcard security issue has put Bitcoin hardware-wallet safety back under the microscope after reports that a firmware flaw affected seed generation...
A Coldcard security issue has put Bitcoin hardware-wallet safety back under the microscope after reports that a firmware flaw affected seed generation...
Coldcard, one of the better-known hardware wallets in the Bitcoin world, shipped a firmware bug that weakened the secret keys protecting customers' money. By Saturday afternoon, Ga...
Bitcoin dev Peter Todd slams hardware wallet security after an entropy bug in Coldcard devices allowed hackers to brute-force and drain 594 BTC.
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