Pi-Zor: a bitcoin cold wallet

thingiverse

There is a case for the Raspberry Pi that is designed to function as a Bitcoin hardware cold wallet. It's worth noting that this setup will never be as secure as a wallet utilizing a secure element, such as a Ledger Nano. The project in question takes its namesake from Trezor, which does not possess a secure element, however it remains more secure due to being designed by professionals with a focus on security rather than a DIY endeavor using a Pi Zero. The advantage lies in the fact that you build it yourself and are aware of what's inside, and if proper precautions are taken, this setup can likely be kept secure. To explore this concept further, please visit my initial explorations at http://www.allaboutjake.com/pi-offline-crypto-wallet/. Currently, I am working on developing software for the Pi to expose an Electrum wallet on the device via a menu-driven system displayed on the LCD. This will include the signing of transactions using QR codes and the input from the PiCamera, with output displayed on the LCD. If this information proves useful or you would like to contribute to the future development of this project, consider sending some satoshi to 1PqvzEtDcboQYF2yhMvcdzK3J6uj7SMtQQ. Here is the list of materials required: - Raspberry Pi Zero (I am using a W for development but a non-W is more suitable for a cold wallet) - 1.44 ST7735 based LCD: http://r.ebay.com/b7ZpxI - 5-Way Tactile Switch: http://r.ebay.com/U5YHC6 - 5MP Pi Camera: http://r.ebay.com/igagFy - 30AWG wire wrap wire (it's a tight fit, so I used thin wire) - Screws (M2.5x12 for the outside, M2.5x4 for the Pi inside)