Bearish for Bitcoin
Coldcard Hardware Wallet Security Breach
Stable
Steady attention in Bitcoin coverage, without a clear trend.
Updated 14 October 2026
The bearish argument: Hardware wallets carry security vulnerabilities that can compromise Bitcoin private keys, making no storage solution entirely foolproof
How attention has changed
0% of Bitcoin coverage
Rolling 3-day share · as of 14 Oct 2026
This measures attention in published coverage, not the likelihood of a price move.
| Date | Share of coverage |
|---|---|
| 2026-09-15 | 0.6% |
| 2026-09-16 | 0% |
| 2026-09-17 | 0% |
| 2026-09-18 | 0% |
| 2026-09-19 | 0% |
| 2026-09-20 | 0% |
| 2026-09-21 | 0% |
| 2026-09-22 | 0% |
| 2026-09-23 | 0.5% |
| 2026-09-24 | 0.4% |
| 2026-09-25 | 0.3% |
| 2026-09-26 | 0% |
| 2026-09-27 | 0% |
| 2026-09-28 | 0.8% |
| 2026-09-29 | 0.6% |
| 2026-09-30 | 0.3% |
| 2026-10-01 | 0% |
| 2026-10-02 | 0% |
| 2026-10-03 | 0% |
| 2026-10-04 | 0% |
| 2026-10-05 | 0% |
| 2026-10-06 | 0% |
| 2026-10-07 | 0% |
| 2026-10-08 | 0% |
| 2026-10-09 | 0% |
| 2026-10-10 | 0.4% |
| 2026-10-11 | 0.3% |
| 2026-10-12 | 0.4% |
| 2026-10-13 | 0% |
| 2026-10-14 | 0% |
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The argument and its evidence
Several outlets can carry the same argument; no single article is its origin. Read each one in its own context.
Recent coverage
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CoinDesk · Published 9 Oct 2026
Ledger investigates potential wallet tampering after reports of $86 million in crypto stolen
In coverage record: 10 Oct 2026
“One possible explanation is a supply-chain attack, in which hardware wallets are tampered with before reaching customers.”
Read article
Earlier coverage
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Gizmodo · Published 27 Sep 2026
Why the Coldcard and Liquid Network Hacks Were the Worst in Bitcoin's History
In coverage record: 28 Sep 2026
“the Coldcard vulnerability proved that taking personal responsibility for non-custodial storage does not entirely eliminate third-party trust from the equation.”
Read article -
Decrypt · Published 22 Sep 2026
Hat Hackers Route Coldcard Exploit Bitcoin Into 'Recovery Trust'
In coverage record: 23 Sep 2026
“The movement marks a notable turn in one of the year's largest self-custody disasters.”
Read article -
CryptoSlate · Published 12 Sep 2026
The biggest vulnerability in your Bitcoin wallet might be the shipping label
In coverage record: 13 Sep 2026
“Problems start when what should be temporary operational information becomes a permanent corporate asset. Keeping an old record costs very little, and deciding where every piece of information went can require work across departments and vendors.”
Read article -
Decrypt · Published 29 Aug 2026
Bitcoin's Oldest Coins Are Waking Up in 2026 at a Pace Rarely Seen
In coverage record: 30 Aug 2026
“Around 233,000 BTC left long-term wallets during the Coldcard hardware-wallet exploit, as spooked holders rushed funds to safer setups.”
Read article -
Decrypt · Published 21 Aug 2026
Coldcard Adds New Security Measures After $130 Million Bitcoin Exploit
In coverage record: 22 Aug 2026
“On some affected devices, the flaw reduced security from 128 bits of entropy to roughly 40 bits, making wallet seeds easier for attackers to guess without physical access to the device. All told, the Coldcard exploit has now resulted in roughly $130 million in stolen Bitcoin and raised questions about entropy”
Read article -
Crypto News · Published 20 Aug 2026
Coldcard firmware update requires affected users to move Bitcoin
In coverage record: 21 Aug 2026
“An attacker who generated possible seeds could derive their Bitcoin addresses and compare them with public blockchain records. Finding a match would provide the private keys needed to transfer the funds without obtaining the physical device, learning its PIN, or attacking the Bitcoin network.”
Read article -
Decrypt · Published 18 Aug 2026
Bitcoin Wallet Maker BitBox Says AI Found Severe Flaws in Firmware
In coverage record: 19 Aug 2026
“BitBox, the Zurich-based maker behind the BitBox02, released the Dixence security update this week after its own engineers uncovered two severe flaws in the cryptocurrency wallet's firmware. It's another reminder that hardware wallets, long considered the ideal choice for security-conscious crypto users, aren't bulletproof.”
Read article -
Bitcoin Magazine · Published 17 Aug 2026
Losses Top $115M In Coldcard Bitcoin Hack: Galaxy Research
In coverage record: 18 Aug 2026
“Previous research from Galaxy found that the typical stolen coin had sat untouched for 3.5 years, and a striking 88% of pilfered funds were at least a year old.”
Read article -
Crypto News · Published 17 Aug 2026
An insight into Bitcoin’s safety: Coldcard firmware vulnerability exposed; $112 million in Bitcoin Stolen
In coverage record: 18 Aug 2026
“Attackers exploited a vulnerability in the firmware of Coldcard hardware wallets to drain funds from numerous Bitcoin addresses, sparking widespread concern regarding the security of hardware wallets and the risks associated with self-custody of digital assets.”
Read article -
Outlook Money · Published 16 Aug 2026
Coldcard Wallet Attacked: Over $110 Million Worth Of Bitcoin Stolen From Thousands Of Addresses
In coverage record: 17 Aug 2026
“Hardware wallets are designed to keep cryptocurrency keys secure and away from online threats. However, flaws in the technology used to generate these keys can put funds at risk as seen in a recent attack targeting some Coldcard wallets.”
Read article -
Decrypt · Published 14 Aug 2026
Coldcard Bitcoin Thefts Slow, But Losses Could Top $150 Million: Galaxy
In coverage record: 15 Aug 2026
“A 2021 firmware update quietly rerouted Coldcard's seed generation off its hardware random-number chip and onto a software stand-in, collapsing key strength from 128 bits to as low as 40. Attackers could rebuild seeds from a device's serial number and clock state, then sweep the coins without resorting to phishing or malware techniques and even without physical access to the actual devices.”
Read article -
LADbible · Published 7 Aug 2026
Man shares warning after losing $1,600,000 of Bitcoin he thought was '100% secure'
In coverage record: 8 Aug 2026
“Jonathan, the author of the book Unhinged Habits, said that after this he's not willing to put more money into Bitcoin, or any cryptocurrency... he'd started buying at the end of 2020 and for the next year or so had been investing in the cryptocurrency”
Read article -
Bitcoin Magazine · Published 7 Aug 2026
Victims Report Median Loss Of 1 BTC
In coverage record: 8 Aug 2026
“a firmware bug in Coldcard Mk3 devices — starting with version 4.0.1 in March 2021 — caused seed generation to fall back to a weak software Pseudorandom Number Generator instead of the hardware true random number generator, allowing hackers to essentially guess investor seedphrases.”
Read article -
TechBullion · Published 6 Aug 2026
Bitcoin Price Faces Pressure While Pepeto Surpasses Every Presale Milestone
In coverage record: 7 Aug 2026
“Bloomberg confirmed hackers exploited a 2021 Coldcard firmware flaw, draining 1,367 BTC from 4,585 addresses in automated sweeps lasting 41 minutes each. Losses crossed $130 million. The bitcoin price absorbed the shock without cracking, but cold storage confidence did not.”
Read article -
U.Today · Published 6 Aug 2026
German Bitcoin Developer Reveals Key Reasons He Missed Out on BTC Gains
In coverage record: 7 Aug 2026
“The vulnerability allowed seed phrases generated under certain conditions to become predictable. The attack has already resulted in the theft of more than 1,755 BTC (more than $100 million). One victim allegedly lost approximately $1.6 million despite storing his wallet in a safe deposit box.”
Read article -
Financial Post · Published 5 Aug 2026
How Coinkite's cold wallets were compromised in bitcoin hack
In coverage record: 6 Aug 2026
“The issue with some of Coinkite's wallets was that they didn't actually provide investors with keys that were unique enough to withstand a hacking attack, because there was a bug in the software that the company overlooked. 'It's like they told people that it was going to be a combination lock with 1 trillion numbers, but because of the bug, it just had a 1,000 numbers,' said Henry Kim, an associate professor at York University.”
Read article -
CP24 Toronto · Published 4 Aug 2026
More than $140M drained from Canada-made device
In coverage record: 5 Aug 2026
“The company, Coinkite Inc., sells "cold" bitcoin wallets that use hardware and software to keep the funds offline, which is supposed to be safer from hackers... The wallets of some Coldcard device users had been compromised in a hack.”
Read article -
Decrypt · Published 4 Aug 2026
Ledger Says Coldcard Exploit Shows Bitcoin Wallet Security Must Adapt to AI
In coverage record: 5 Aug 2026
“The bug used a software fallback instead of the device's hardware random number generator to create wallet recovery seeds, making some private keys guessable and allowing thieves to steal user Bitcoin. To date, losses have reached roughly $130 million while other thefts remain under investigation.”
Read article -
CBC.ca · Published 4 Aug 2026
What we know about ongoing Coldcard hack that's stolen over $100M worth of bitcoin
In coverage record: 5 Aug 2026
“Hackers reportedly drained more than $100 million US worth of bitcoin from Coldcard hard wallets. As of Monday, an on-chain analysis by Galaxy Research said that three confirmed attack waves and a number of other 'smaller incidents' have resulted in 1,596 bitcoin stolen from roughly 7,300 addresses.”
Read article -
Bnn Bloomberg · Published 4 Aug 2026
More than $140M drained from Canada-made device
In coverage record: 5 Aug 2026
“By Monday, more than 1,500 tokens from 7,300 addresses had been drained, Galaxy Research reported. The hack came in three confirmed waves in addition to 14 smaller incidents.”
Read article -
Lifehacker · Published 4 Aug 2026
How to Protect Yourself From This Massive Ongoing Cryptocurrency Hack
In coverage record: 5 Aug 2026
“Bad actors have stolen more than $130 million in cryptocurrency from users of offline hardware wallets, devices specifically meant to be a safe option for securing bitcoin. The vulnerability made seeds predictable, so threat actors were able to brute-force victims' passwords and gain access to their wallets.”
Read article -
Decrypt · Published 3 Aug 2026
Gapped Bitcoin Wallet? Why the Coldcard Exploit Changes the Conversation About Offline Security
In coverage record: 4 Aug 2026
“Researchers at Galaxy Research said the Coldcard exploit unfolded in multiple waves, with observed losses growing from about $88 million to nearly $114 million in Bitcoin within days. The incident prompted many Coldcard users to move their Bitcoin after researchers warned that additional vulnerable addresses could still be targeted.”
Read article -
FOX 9 · Published 3 Aug 2026
Coldcard wallet attack drains up to $89M in Bitcoin from 1,200+ addresses
In coverage record: 4 Aug 2026
“Security researchers said a software flaw may have allowed attackers to steal roughly $70 million worth of bitcoin in less than an hour. The company said it released its findings because it believes the attacks are still happening.”
Read article -
Decrypt · Published 2 Aug 2026
Coldcard Bitcoin Exploit Balloons to $88 Million as Attackers Keep Draining Wallets
In coverage record: 3 Aug 2026
“Thorn cautioned that every single-sig Coldcard address created after that 2021 update will eventually be drained, saying it is only a matter of time. The firm called the exploit ongoing and urged anyone holding single-signature funds on a Coldcard to move them at once.”
Read article -
TechSpot · Published 2 Aug 2026
A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88 million
In coverage record: 3 Aug 2026
“Others have pointed to Coinkite's own acknowledgment that AI tools may have helped surface the flaw as a sign the gap between a bug shipping and someone finding it is likely to keep shrinking.”
Read article -
ZeroHedge · Published 2 Aug 2026
"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit
In coverage record: 3 Aug 2026
“Zhao cautioned that even hardware wallets can carry bugs, and that older wallets with long histories are not immune. 'Nothing is 100%,' he posted.”
Read article -
U.Today · Published 1 Aug 2026
Bitcoin Bullish Sentiment Falls to Historic Low: Here Is Why
In coverage record: 2 Aug 2026
“The security breach, which involved a widely trusted hardware wallet, Coldcard, caused Bitcoin holders to lose millions in funds while sparking major safety concerns among investors. While the fraudulent attack has affected the confidence of most Bitcoin holders, it has reignited the debate over whether even hardware wallets can be fully trusted.”
Read article -
Decrypt · Published 1 Aug 2026
CZ Warns Bitcoin Holders After $70 Million Wallet Exploit: 'Nothing Is 100%'
In coverage record: 2 Aug 2026
“Zhao cautioned that even hardware wallets can carry bugs, and that older wallets with long histories are not immune. 'Nothing is 100%,' he posted.”
Read article