http://i.imgur.com/quFvTDX.png

Sign Bitcoin, Litecoin, Nxt, Ripple, and other crypto currencies transactions & encrypt data while keeping your private key and digital identity offline!

The crowdfunding page:
https://www.indiegogo.com/projects/the-sound-key-encrypt-digitally-sign-in-safety

The website page:
http://thesoundkey.com

Twitter profile:
https://twitter.com/_SoundKey

Facebook profile:
https://www.facebook.com/thesoundkey