Coldcard — page 2

Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline

Bitcoin Magazine Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline Coinkite now forces dice rolls and key-press entropy on new Coldcard seeds. The lasting lesson from the July–August 2026 thefts is not to abandon self-custody — it is to stop generating every key on one vendor. This post Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline first appeared on Bitcoin Magazine and is written by Juan Galt .

Bitcoin Magazine•Juan Galt26 Aug

Trezor, Onekey, Bitbox Sales Spike Amid Coldcard Crisis; Security Models Evolve

The Coldcard crisis has also tested hardware wallet manufacturers’ abilities to deal with sharply increased sales, as instead of giving up on self-custody, many Bitcoiners rushed to new devices while wallet teams prepared for the new AI-powered (in)security reality. Of the 13 hardware wallet manufacturers Bitcoin.com News contacted for comment, Trezor, Bitbox, and Onekey confirmed […]

Bitcoin.com News•Linas Kmieliauskas26 Aug

BlackRock attracts $5B as investors swap physical BTC for IBIT shares – Coldcard effect?

BlackRock reduced the minimum for BTC in-kind conversions from $25M to $1M.

AMBCrypto•Benjamin Njiri26 Aug

Coldcard hackers leave 87% of stolen Bitcoin unmoved after $114M theft

More than 87% of the Bitcoin attributed to the Coldcard hack has remained unmoved, leaving 1,561 BTC under attacker control after researchers linked the exploit to $114.7 million in losses. Galaxy Research has traced 1,789.28 BTC stolen from 8,865 addresses…

Crypto.news•Rony Roy25 Aug

Galaxy puts Coldcard hack losses at 1,789 BTC, with 87% unmoved

Galaxy Research’s latest tally shows that more than half of 221 Coldcard hack victim reports involved individual losses exceeding 1 Bitcoin.

Cointelegraph•Cointelegraph by Helen Partz25 Aug

Coldcard now requires 65 key presses after seed exploit, while exposed funds still must move

Firmware 5.6.1 and 1.5.1Q harden new wallet creation but cannot repair a seed made on an affected release.

CryptoSlate•Liam 'Akiba' Wright23 Aug

Coldcard Firmware 5.6.1 Forces User Entropy Into Every New Seed After $100M Exploit

Coinkite has released new Coldcard firmware that forces users to provide their own randomness when generating new wallet seeds.

CryptoPotato•Jose Oramas22 Aug

Coldcard Adds New Security Measures After $130 Million Bitcoin Exploit

Coinkite's latest firmware requires users to add their own randomness when generating wallet seeds and fixes additional security issues uncovered during a three-week review.

Decrypt•Jason Nelson21 Aug

Coldcard Ships Deeper Security Fix Following Bitcoin Heist

Coinkite's new firmware adds hand-entered entropy and stricter transaction checks to its Coldcard wallets.

Bankless•Bankless21 Aug

COLDCARD releases firmware 5.6.1 after $114M exploit drained 1,816 BTC from hardware wallets

The exploit highlights the critical need for robust security measures in hardware wallets, emphasizing user involvement in seed generation.

CryptoBriefing•Editorial Team21 Aug

Coldcard ships firmware after $114 million bitcoin theft; says AI helped catch more bugs

CoinDesk•Shaurya Malwa21 Aug

Coldcard strengthens seed generation with firmware update

Coinkite urged Coldcard users to generate new seed phrases, warning that existing vulnerable seeds remain unsafe despite the security upgrade.

Cointelegraph•Cointelegraph by Zoltan Vardai21 Aug

How Bitcoin Hardware Wallets Supported Users During the Coldcard Crisis

As there’s no single best bitcoin hardware wallet, only different features and trade-offs, their manufacturers also vary in how they have supported their customers following the Coldcard crisis. Fast, clear, and helpful communication might be the factor that protects your funds during similar emergencies. Bitcoin.com News looked into how the top 13 manufacturers of these […]

Bitcoin.com News•Linas Kmieliauskas21 Aug

Open Source vs. Source-Available: What the Coldcard Failure Teaches About Bitcoin Software Incentives

Bitcoin Magazine Open Source vs. Source-Available: What the Coldcard Failure Teaches About Bitcoin Software Incentives FOSS rests on four essential freedoms defined by the Free Software Foundation and the Open Source Initiative’s ten criteria. Licenses that withhold commercial rights, such as MIT plus Commons Clause, shrink the reviewer pool and shift the burden back onto the vendor. This post Open Source vs. Source-Available: What the Coldcard Failure Teaches About Bitcoin Software Incentives first appeared on Bitcoin Magazine and is written by Juan Galt .

Bitcoin Magazine•Juan Galt20 Aug

Coldcard firmware update requires affected users to move Bitcoin

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 their Bitcoin. Coldcard firmware adds mandatory user entropy Coldcard said in an Aug.…

Crypto.news•Lawrence Mondal20 Aug

Coldcard theft: FBI may know 1,082 BTC attacker

Investigators traced the first Coldcard theft wave to a paid data account, but the FBI has not confirmed identifying or charging anyone.

Crypto.news•Olivia Stephanie19 Aug

Bitcoin Whale From 2012 Suddenly Moves $13.7M After 14 Years

Amid August’s wave of dormant bitcoin suddenly waking up after the Coldcard exploit, a relic from 2012 joined the action, moving 212 BTC worth $13.72 million after sitting untouched for more than 14 years. Vintage BTC Holder Realizes a 584,725% Gain August has turned into a graveyard awakening for long-dormant bitcoin, with coins untouched for […]

Bitcoin.com News•Jamie Redman18 Aug

Hunting Down the Coldcard Hacker. Wave 1 Thief May Be Known to FBI

Bitcoin Magazine Hunting Down the Coldcard Hacker. Wave 1 Thief May Be Known to FBI Clay Garrett’s investigation matched the 1,082.65 BTC sweeps to a major data provider’s internal logs with “extraordinary specificity.” The coins remain unmoved. This post Hunting Down the Coldcard Hacker. Wave 1 Thief May Be Known to FBI first appeared on Bitcoin Magazine and is written by Juan Galt .

Bitcoin Magazine•Juan Galt18 Aug

Coldcard exploit reveals years-long Bitcoin theft campaign — Details

Why have losses continued 5 years after the vulnerable Coldcard firmware was released in 2021?

AMBCrypto•Ishika Kumari18 Aug

Losses Top $115M In Coldcard Bitcoin Hack: Galaxy Research

Bitcoin Magazine Losses Top $115M In Coldcard Bitcoin Hack: Galaxy Research The amount of bitcoin stolen has been confirmed at $115 million, according to Galaxy Digital's latest figures. This post Losses Top $115M In Coldcard Bitcoin Hack: Galaxy Research first appeared on Bitcoin Magazine and is written by Mathew Di Salvo .

Bitcoin Magazine•Mathew Di Salvo17 Aug