BitBox: A box that converts US coins into digital bitcoins. Bitcoins are returned via QR codes printed on thermal paper.

This project uses Piper (piperwallet.com) to generate keys and print the receipt.

Piper is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Piper is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Piper.  If not, see <http://www.gnu.org/licenses/>.

Piper Copyright (C) 2013  Christopher Cassano