First Digital USD (FDUSD) is a USD-backed stablecoin issued by FD121 Limited in Hong Kong, under the First Digital Labs brand. It offers a reliable, low-volatility digital currency for efficient, cost-effective, and secure transactions. FDUSD is programmable for financial contracts, escrow services, and insurance without intermediaries. It can be redeemed 1:1 for USD, with reserves held in segregated, audited bank accounts. FDUSD is available on Ethereum and BNB Chain, with plans to expand to more blockchains.