TrustBase is a Polkadot parachain based on the Substrate framework that independently develops the Subscript smart contract language and supports multiple tool plug-ins and smart contract applications. As an infrastructure project for Polkadot Ecology, Trustbase has received a Web3 Foundation Grant. Focusing on providing a lighter language for traditional developers, enabling easy deployment of Polkadot native smart contracts,Help developers to participate in the ecological construction of Polkadot without barriers, and form a powerful ecosystem for the multi-development of Polkadot -- Trustbase parallel chain -- smart contract.