Huobi Global's H-token series, including HBTC, are Ethereum-based tokens representing cryptocurrencies from other blockchains. Launched in February 2020, HBTC is pegged 1:1 to BTC, offering Bitcoin liquidity to Ethereum's decentralized applications (dApps). This series aims to bridge centralized and decentralized finance, allowing users to leverage Bitcoin's value within Ethereum's DeFi ecosystem.