Everyone knows paper wallets are the most secure way to store your Bitcoins. Piper is the only offline paper wallet printer to pass all 26 of the "good" Dieharder tests for secure random number generation. Test Info - Results
Simply press the button to print a new paper wallet. You can even choose to have your keys stored internally, and you can back up your keys by simply plugging in a USB flash drive.
Hook Piper up to a display, mouse, and keyboard and customize Piper to do whatever you want. It's all Linux based, open source, and based on the Raspberry Pi platform. You can even use your own USB printer!
|Model A||Model B|
|Connectivity||1 USB and HDMI||2 USB, Ethernet, and HDMI|
|Computing Platform||Raspberry Pi|
|CPU||700 MHz ARM1176JZF-S core|
|Storage||4GB SD card (2GB free)|
|Operating System||Debian 7 (Raspbian)|
|Power source||100-240VAC adapter|
|Device size||4" x 4" x 5" wide|
Archival grade inkless thermal paper with a 20-year image life
|Supported coin types||Bitcoin, Litecoin|
Click on the tabs in the screenshot to see what's in them