Simply take a photo of a mystery critter using your cellphone and our crypto-critter app will tell you what it is. Linking your cellphone to the Darwin Ledger blockchain will allow you to populate the citizen science blockchain and even earn bounties in the form of Darwin tokens for doing so. People are naturally conservationist and take an active interest in nature from an early age. The popularity of Steve Irwin and David Attenborough illustrated our ongoing interest in human interaction with life on Earth. However, it has been difficult, if not near-impossible for the general public to contribute meaningfully to science.