Blockchain USD (USDB) is a USD-pegged stablecoin built for payments and trading on centralized and decentralized exchanges. The project published USDB in 2023 and deployed an ERC-20 version on Robinhood Chain on 31 August 2026. The Robinhood Chain contract is 0x65f1F83DD8b702a195e24eA171f8136fB1888888. Official materials describe USDB as a payment stablecoin intended to keep a value near one US dollar for transfers, liquidity, and settlement. Project information is published at Community channels are and On Robinhood Chain, USDB trades on Uniswap V3. The AtlantisChain site also describes an ATC-20 USDB version used inside that separate network. This listing request is for the live Robinhood Chain token, not for a preview or unlaunched asset.