BitBlue is a Web3 culture company providing two services: the web3-based personal profile service "Know-Yourself" and the NFT-only infrastructure "NFTainment". Know-Yourself is a web3 service that allows personal creations such as pictures and music to be issued and sold as NFTs on-chain, and it can be shared and communicated with multiple people by linking to various web2 social services. NFTainment is an end-to-end service dedicated to NFTs. It provides NFT initial consulting, production, issuance, operation, and marketing.