Coinspeaker iconCoinspeakerAug 8, 2026

Coldcard Seed Flaw Exposes Bitcoin Held by Thousands of Addresses

The Coldcard hack linked to weak seed generation drained about 2,055 BTC, while researchers trace suspected sweep waves and urge fund migration.

Coldcard Seed Flaw Exposes Bitcoin Held by Thousands of Addresses

Share this story

Send the public story page.

Useful takeaways from this story.

The Coldcard hack linked to weak seed generation drained about 2,055 BTC, while researchers trace suspected sweep waves and urge fund migration.

Building the complete brief

The page is ready to read now. The fuller skim-friendly version will appear here automatically.

The useful part

The Coldcard hack linked to weak seed generation drained about 2,055 BTC, while researchers trace suspected sweep waves and urge fund migration.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app