Huobi ECO Chain Mainnet

Huobi ECO Chain Mainnet, commonly called HECO, was an exchange-linked EVM network built around Proof of Staked Authority and HT-denominated gas. It hosted Solidity applications, token bridges and a DeFi ecosystem tied to the former Huobi brand, with a council-style validator model rather than Ethereum's open validator set. HTX subsequently withdrew support for HECO deposits and ended related reward programs, so this tag should be treated as historical. Use it for HECO protocol operation, bridge assets, applications, incidents and retirement procedures; current HTX exchange coverage and the HT token require separate entries.