Certificate of adoption
Certificate of adoption
Each Happy Hippos NFT owner will receive an official certificate
of adoption of a real Hippo. See the certificates below.
If you own a Hippo but still don't have the Certificate of Adoption add Certificate Name and Surename in your account.
Explore our collections and adopt your Happy Hippos now!


WWF Certificate Owners
Name | Number of Hippos | Certificate | Last Transaction | Date of transaction |
---|---|---|---|---|
Christopher Beyer | 231 | Open Certificate | ||
Haack Horst | 293 | Open Certificate | ||
Anonymous | 1 | Open Certificate | ||
Anonymous | 1 | Open Certificate |