Storyline
Critical Coldcard hardware wallet flaw leads to $70M bitcoin theft and urgent user warnings
A severe security vulnerability in Coldcard hardware wallets, produced by Coinkite, has resulted in the theft of over $70 million worth of bitcoin.
Published 2026-07-31 02:38 UTCUpdated 2026-07-31 15:22 UTC
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Evidence trail (top sources)
top sources (4 domains)domains are deduped. counts indicate coverage, not truth.4 top sources shown
Overview
A severe security vulnerability in Coldcard hardware wallets, produced by Coinkite, has resulted in the theft of over $70 million worth of bitcoin.
Score total
2.22
Momentum 24h
10
Posts
10
Origins
6
Source types
2
Duplicate ratio
20%
Why now
- Funds are actively being drained from vulnerable Coldcard wallets, requiring immediate user action.
- Coinkite has issued urgent warnings to users of multiple Coldcard models to migrate funds.
- The incident underscores emerging threats from AI-assisted attacks on crypto infrastructure.
Why it matters
- Highlights critical risks in hardware wallet security and seed generation entropy.
- Demonstrates how AI can be used to discover vulnerabilities in open-source crypto firmware.
- Raises awareness about the safety of single-signature wallets in storing significant bitcoin funds.
Continuity snapshot
- Trend status: insufficient_history.
- Continuity stage: broad_confirmed.
- Current status: open.
- 10 current source-linked posts are attached to this storyline.
All evidence
All evidence
Decrypt
decrypt.co · decrypt.co · 2026-07-31 09:02 UTC
CoinDesk
coindesk.com · coindesk.com · 2026-07-31 05:12 UTC
Coldcard issues Mk3 warning as experts examine $38M Bitcoin wallet drain
Cointelegraph · cointelegraph.com · 2026-07-31 02:38 UTC
COLDCARD SECURITY RISK: IMMEDIATE ACTION REQUIRED
Bitcoin Magazine · bitcoinmagazine.com · 2026-07-31 15:22 UTC
Satoshi Candidate Peter Todd Warns No Bitcoin Is Safe on Singlesig After $38 Million Coldcard Drain
U.Today · u.today · 2026-07-31 10:10 UTC
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Top publishers (this list)
- decrypt.co (1)
- coindesk.com (1)
- Cointelegraph (1)
- Bitcoin Magazine (1)
- U.Today (1)
Top origin domains (this list)
- decrypt.co (1)
- coindesk.com (1)
- cointelegraph.com (1)
- bitcoinmagazine.com (1)
- u.today (1)