The World Wildlife Fund is now selling NFTs to raise money in an effort to help protect 13 endangered species around the world. Three of the non-fungible animals available for purchase from the World Wildlife Fund Germany. World Wildlife Fund The World Wildlife Fund UK launched a line of NFTs called "nonfungible animals," or NFAs, this week. The digital art centers on 13 endangered animals, and each NFA is limited to that species' population. That means there are two Northern white rhino...