But soon, Grumpy Cat will make the jump from Internet meme to mainstream as the official spokescat for a Friskies brand cat food, Nestle Purina PetCare announced Tuesday.

The authenticated non-fungible token edition of “Grumpy Cat,” a 2012 era internet meme, has been sold for more than $80,000. What Happened: The digitally-certified version of the meme sold for ...