Coinkite

The amount of Bitcoin stolen has been confirmed at $111 million, but is likely much higher — and could stand at over $130 million.

The Coldcard security failure has shaken Bitcoin's confidence in hardware wallets—but abandoning self-custody would mean abandoning the very reason Bitcoin exists. History suggests the lesson isn't to trust custodians again, but to build stronger, more resilient ways to hold our own keys.

Bitcoin wallets continue to be drained in the ongoing hack.

NVK stated that AI-assisted code review can now find latent bugs at a speed outpacing even the industry’s most seasoned experts, calling it a sober reality of the new AI paradigm.

IMPORTANT: Major security vulnerability discovered in Coldcard hardware wallets. For your own safety read disclosures and take necessary actions immediately.

Over $70 million in Bitcoin has been pinched. Coldcard has since urged its users to take precautions.

Coinkite has released the Coldcard MK5, building on the MK4’s dual secure element security with a larger Gorilla Glass screen, redesigned buttons, and improved NFC capabilities for smoother Bitcoin transactions.

Advancing the standard for hardware wallet security and cypherpunk aesthetics, Coinkite, a small Bitcoin company out of Canada, is the third largest manufacturer in...

Satslink is a versatile and secure peer-to-peer device that empowers developers to explore a wide range of communications and mobile hardware applications.

The new COLDCARD improves upon the Mk4 by adding a QWERTY keyboard, a big LCD screen, and a QR code scanner.