Creating an online community for digital assets, non-fungible tokens, and metaverses and online worlds; hosting an online community website featuring digital assets, non-fungible tokens, and metaverses and online worlds; non-downloadable computer software for the creation, production and modification of digital animated and non-animated designs and characters, avatars, digital overlays and skins for access and use in online environments, virtual online environments, and extended reality virtual environments; providing information; authentication, issuance and validation of digital certificates; user authentication services using technology for e-commerce transactions; providing user authentication services using blockchain-based software technology for cryptocurrency transactions