⤷ Title: Coldcard Hack — 30/07/26
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𐀪 Author: Hoax
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ⴵ Time: Fri, 31 Jul 2026 10:08:04 GMT
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⌗ Tags: #bitcoin #coldcard #hacking #cryptocurrency
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𐀪 Author: Hoax
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ⴵ Time: Fri, 31 Jul 2026 10:08:04 GMT
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⌗ Tags: #bitcoin #coldcard #hacking #cryptocurrency
Medium
Coldcard Hack — 30/07/26
A major flaw in Coldcard’s firmware has resulted in the compromise and draining of 500 Bitcoin addresses for a total of 594.4772 BTC…
⤷ Title: COLDCARD Seed Flaw Let Hackers Steal 594 BTC in 15 Minutes
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𐀪 Author: Do Son
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ⴵ Time: Sat, 01 Aug 2026 10:09:00 +0000
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⌗ Tags: #Cybercriminals #Bitcoin #COLDCARD #crypto security #Hardware Wallet #Seed Phrase
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𐀪 Author: Do Son
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ⴵ Time: Sat, 01 Aug 2026 10:09:00 +0000
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⌗ Tags: #Cybercriminals #Bitcoin #COLDCARD #crypto security #Hardware Wallet #Seed Phrase
Daily CyberSecurity
COLDCARD Seed Flaw Let Hackers Steal 594 BTC in 15 Minutes
The respected Bitcoin hardware wallet COLDCARD has disclosed a severe security failure. A build error dating back to March 2021 caused the wallet firmware to generate seed phrases using predictabl…
⤷ Title: Coldcard wasn’t “hacked” — it was never secure
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𐀪 Author: uNetworking AB
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ⴵ Time: Sun, 02 Aug 2026 21:48:41 GMT
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⌗ Tags: #coldcard #hacking #self_custody
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𐀪 Author: uNetworking AB
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ⴵ Time: Sun, 02 Aug 2026 21:48:41 GMT
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⌗ Tags: #coldcard #hacking #self_custody
Medium
Coldcard wasn’t “hacked” — it was never secure
A cold storage device has two puroses: 1) to generate a secure seed phrase and 2) to keep that seed phrase isolated from your PC/mobile…
⤷ Title: COLDCARD Exploit Grows to 1,367 BTC Stolen Across Three Waves
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𐀪 Author: Do Son
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ⴵ Time: Mon, 03 Aug 2026 03:29:39 +0000
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⌗ Tags: #Cybercriminals #Bitcoin #COLDCARD #Crypto theft #Hardware Wallet #On_Chain Analysis
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𐀪 Author: Do Son
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ⴵ Time: Mon, 03 Aug 2026 03:29:39 +0000
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⌗ Tags: #Cybercriminals #Bitcoin #COLDCARD #Crypto theft #Hardware Wallet #On_Chain Analysis
Daily CyberSecurity
COLDCARD Exploit Grows to 1,367 BTC Stolen Across Three Waves
Recently, we covered the critical security failure in the Canadian hardware wallet COLDCARD. A flawed random-number algorithm generated predictable seeds, and attackers rebuilt the faulty generato…
⤷ Title: Devastating ColdCard Wallet Hack Costs Investors Millions
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𐀪 Author: Do Son
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ⴵ Time: Mon, 03 Aug 2026 04:25:39 +0000
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⌗ Tags: #Vulnerability Report #Bitcoin Wallet #COLDCARD #cryptocurrency #cybersecurity #Firmware Flaw
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𐀪 Author: Do Son
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ⴵ Time: Mon, 03 Aug 2026 04:25:39 +0000
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⌗ Tags: #Vulnerability Report #Bitcoin Wallet #COLDCARD #cryptocurrency #cybersecurity #Firmware Flaw
Daily CyberSecurity
Devastating ColdCard Wallet Hack Costs Investors Millions
A ColdCard wallet hack has devastated countless Bitcoin investors. Hackers exploited a severe firmware vulnerability to drain user balances. Furthermore, current on-chain tracking data reveals a s…
⤷ Title: COLDCARD Seed Generation Flaw Linked to Nearly $89 Million Bitcoin Theft
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𐀪 Author: Waqas
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ⴵ Time: Mon, 03 Aug 2026 17:52:36 +0000
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⌗ Tags: #Security #Crypto #Bitcoin #Blockchain #COLDCARD #Cyber Attack #Cybersecurity #data breach #Vulnerability
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𐀪 Author: Waqas
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ⴵ Time: Mon, 03 Aug 2026 17:52:36 +0000
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⌗ Tags: #Security #Crypto #Bitcoin #Blockchain #COLDCARD #Cyber Attack #Cybersecurity #data breach #Vulnerability
Hackread
COLDCARD Seed Generation Flaw Linked to Nearly $89 Million Bitcoin Theft
Galaxy Research linked a suspected Bitcoin theft of 1,367.05 BTC to weak COLDCARD seeds. Coinkite says updates cannot repair seeds already generated on devices.
⤷ Title: Coldcard Entropy Bug: Firmware Flaw Drains $70M in Bitcoin from 1,196 Wallets
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𐀪 Author: Nam Phong
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ⴵ Time: Tue, 04 Aug 2026 14:01:03 +0000
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⌗ Tags: #Vulnerability #Bitcoin Hack #Bitcoin Theft #Coldcard #Coldcard Mk3 #Crypto Security #Entropy Bug #Hardware Wallet #Seed Phrase
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𐀪 Author: Nam Phong
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ⴵ Time: Tue, 04 Aug 2026 14:01:03 +0000
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⌗ Tags: #Vulnerability #Bitcoin Hack #Bitcoin Theft #Coldcard #Coldcard Mk3 #Crypto Security #Entropy Bug #Hardware Wallet #Seed Phrase
Information Security News
Coldcard Entropy Bug: Firmware Flaw Drains $70M in Bitcoin from 1,196 Wallets
A hardware wallet trusted for years as a fortress of cold Bitcoin storage turned out to harbor a silent betrayal. A concealed firmware defect rendered the randomness generated during key creation …