Monitoring

Was COLDCARD hacked?

Yes — once: 2026 $116.0M · last checked 2026-11-04 16:00 UTC

CRITICALBitcoin·Weak Key Generation·#38 all-time
$116.0M stolenFriday, July 31, 2026 · 96 days ago

Corpus updated 2026-11-04

What happened

  • COLDCARD, a wallet, lost $116.0M on July 31, 2026.

  • The 7th largest of the 327 incidents recorded in 2026 so far: 1.3% of the $8.77B lost to hacks that year.

  • Weak Key Generation is behind 10 recorded incidents totalling $3.64B; this is the 2nd largest of them.

Cite this record

Monitoring Room, "COLDCARD hack — $116.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-11-04 16:00 UTC. https://monitoringroom.com/situation/crypto-hack/coldcard

Nearby in the record

Call what happens next

Crypto hacks

Will a crypto hack of $10M or more happen between 3–8 November 2026?

No calls yetas of 16:50 UTC
Rules
Measured
Crypto hacks of US$10,000,000 or more, by the incident's listed date (UTC)
Window
2026-11-03 00:00 → 2026-11-09 00:00 UTC (end not included); calls close 2026-11-08 00:00 UTC
Source
DefiLlama hacks dataset
Read order
DefiLlama hacks dataset (live) → MonitoringRoom's stored copy of the dataset — a YES only; a NO waits for the live feed
Void
If the source stops publishing before close, the question is void and unscored.

YES if DefiLlama's hacks dataset lists an incident dated 3–8 November 2026 (UTC) with an amount of US$10,000,000 or more. Late listings count until 7 days after the window ends.

Resolver: MonitoringRoom, automatic from DefiLlama hacks dataset

Calls close 8 Nov, 00:00 UTC · Resolves from defillama.com

Source: DefiLlama · 1335 recorded incidents · data as of 2026-11-04 16:00 UTC