U.S. federal trademark · Serial No. 98763099
Downloadable computer software for creating and managing image files of virtual pets authenticated by non-fungible tokens (NFTs)" - This directly relates to an app dealing with virtual pets; Downloadable software in the nature of a mobile application for creating and managing image files of cyber pets authenticated by non-fungible tokens (NFTs)" - This also matches well with the virtual pet aspect.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.