Coinkite’s New Bitcoin Hardware Wallet Looks Like BlackBerry, Takes AAA Batteries

Coinkite’s New Bitcoin Hardware Wallet Looks Like BlackBerry, Takes AAA Batteries The new Coldcard Q1 model aims to blend security and convenience – with a physical QWERTY keyboard recalling the look of a 2000's-style waffle phone. It relies on a flashlight and LED scanner to read QR codes – instead of using a camera, which can be an attack vector.