Development of computer software for 3D content, stereoscopic 3D projection, and 3D animation technology; design and development of virtual reality software; providing non-downloadable virtual goods, namely, computer programs for online and virtual world environments; providing online platform as a service (PaaS) for non-fungible token (NFT) transactions; design of computer software for NFT transactions; computer aided graphic design in the form of NFTs; certification services utilizing NFTs (quality control); data encryption services; design and development of software for operating metaverse content; maintenance of software for operating metaverse content; design and development of game software for the metaverse; maintenance of game software for the metaverse; design and development of application software for the metaverse; maintenance of application software for the metaverse; design and development of application software for security tokens (cryptographic devices); user authentication services using blockchain technology; providing platform as a service (PaaS); development of virtual reality software related to avatars; online digital content hosting services; providing platform as a service (PaaS) for providing online content; development of image processing software