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Denver Bitcoin shoots his ColdCard Q to protest firmware vulnerability

Bitcoin community member @denverbitcoin destroyed his ColdCard Q to protest a firmware flaw that limited seed entropy, exposing users without

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Denver Bitcoin shoots his ColdCard Q to protest firmware vulnerability

ColdCard Q firmware limited seed entropy to 32 bytes, leaving unpassphrased users vulnerable to brute-force attacks. The flaw shifts focus from user education to product-design defaults, risking ColdCard's security-maximalist market position.

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domenica 2 agosto 2026·zerohedge.com
"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit
A third wave of thefts against Bitcoin wallets built on flawed Coldcard firmware is the first one designed to be hard to follow...
domenica 2 agosto 2026·techspot.com
A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88 million
A flaw in Coldcard's firmware has put the spotlight on a basic part of wallet security: how the device generates its seed in the first place. The...

Denver Bitcoin shoots his ColdCard Q to protest firmware vulnerability

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Denver Bitcoin shoots his ColdCard Q to protest firmware vulnerability

Timeline cronologica

"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit

A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88 million

A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88…

Coldcard Bitcoin Exploit Explained: Entropy, How Keys Are Generated, and Why Bits Matter - Decrypt

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COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit

COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

Hackers exploit Coldcard firmware flaw, stealing $89 million in Bitcoin from thousands of wallets

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Coldcard hack may accelerate migration to ETFs as safer option

Coldcard Bitcoin Exploit Explained: Entropy, How Keys Are Generated, and Why Bits Matter - Decrypt

Coldcard Bitcoin exploit explained: How a firmware bug turned entropy into a ticking time bomb

Denver Bitcoin shoots his ColdCard Q to protest firmware vulnerability