Huobi Ecological Chain (Heco) is a decentralized, efficient and energy-saving public chain. It is also the first product launched by Huobi Open platform. On the basis of supporting high-performance transactions, it realizes the compatibility of smart contracts. Heco's mission is not only a public chain, but also the discovery and support of high-quality developers and early innovative projects. Heco aims to assist developers in every stage of growth. Relying on the world's largest trading ecosystem, Heco is committed to becoming the birthplace of innovative technology and innovative business, and to build a complete ecological closed loop of technology development, application and promotion, and transaction. Heco supports meta-transaction function, which can realize the user's step reduction of on-chain transaction fees, and Heco pays the part of the reduction instead of the user. This function can effectively reduce the migration cost of DApp developers and greatly reduce the cost of using DApp for users. Overall, the technical characteristic Heco is an open, decentralized network, network maintenance and asset security, support the reliability of EVM entry, smart contract compatibility, reduce the cost of development or migration yuan trading function: the program fee remission, further reduce the cost of developers and users of chain across chain transmission assets, optimize the assets across the chain.