Metadium (META) is an identity ecosystem built on a public blockchain, aiming to achieve self-sovereign identity. It adheres to the principles of SSI and operates as a next-generation public blockchain. Metadium is dedicated to protecting users' identities and driving continuous innovation. Its technology is utilized in various services related to DID, NFT, and DeFi. Metadium enables identification, authentication, and management of crypto transactions. It also offers AML compliance and risk management solutions, acting as a bridge between traditional institutions and blockchain-based applications.