Crypto news and analysis
Markets · News

Coldcard exploit sends bitcoin network activity to its highest level since February 2025

Bitcoin transactions and active addresses jumped as users reacted to the $120 million hardware-wallet theft, while the market stayed inside a narrow $62,000-to-$65,000 range.

A Ledger Nano S hardware wallet resting on a surface.
Illustrative hardware-wallet image; it does not show a Coldcard device or the affected wallets. Photo: Motokoka / Wikimedia Commons · CC BY-SA 4.0
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Security · 3 min readColdcard adds firmware safeguards as reported wallet losses reach $130 million

Coinkite's recommended releases add user-supplied entropy and transaction checks, but they do not repair seeds created on affected firmware.

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