HNTC is a digital asset issued by Carbon Emission Allowances Foundation Limited. HNTC Energy Distributed Trust Network is a multi-chain, multi-system blockchain protocol network. Support government agencies, regulatory agencies, financial institutions, certification companies, energy consumption and carbon emission companies, voluntary emission reduction companies and other fields and industries as nodes of the trust network. Establish a systematic and process-based trust ecology around authentication information and transaction information as basic information, and provide underlying technical support for effective collaboration of trust sources, interconnection of data sources, and distributed exchange. The HNTC energy distributed trust network provides a complete distributed ledger system, a complete smart contract system, and a security system, abstracting the complex underlying blockchain network, making the entire network a carbon certification, carbon transaction, and renewable energy exchange A decentralized service platform.