Each Revealer Card set comes with of two identical Revealer cards, plus a demonstration pair in a gift quality box.
The cards contain encoded noise that you can use to encrypt your secrets. The software is available in the Electrum Desktop Bitcoin Wallet since version 3.2. as a plug-in.
Design and content of the demonstration pair may vary.
Material: Transparent PVC cards thermo-printed in black.
Card size: 86mm x 54mm x 0.8 mm