KEEPKEY CRYPTOCURRENCY WALLET MATERIALS Anodized Aluminum Case Polycarbonate Front TECHNICAL USB HID Micro-USB connector ARM® Cortex™-M3 TRNG (Hardware-Based Random Number Generator) 256×64 3.12″ OLED DIMENSIONS Height: 38.0 mm Width: 93.5 mm Depth: 12.2 mm WHAT’S IN THE BOX KeepKey Woven Nylon USB Cable Recovery Sentence Backup Card Is KeepKey open source?KeepKey’s firmware is 100% open … Continue reading KeepKey