Guzcoin

Guzcoin is the world's first guano-based, nondigital cryptocurrency. Chad Mouthvich is Co-Founder and CEO along with Chippy Davenport, Co-Founder and bird enthusiast.

History
Guzcoin was conceived of by Chip "Chippy" Davenport, bird enthusiast, when, one lonely evening, he observed his green cheek conure (The Guz) drop a turd right into his toaster. His first thought was: how can I monetize this? Hence: Guzcoin

More Reading
The Guzcoin website