$USDD became available on Arbitrum on July 21, 2022.
Multichain partnered with BitTorrent Chain to build $USDD multi-chain architecture to enable $USDD to be migrated on Arbitrum and Optimism.
$USDD on TRON was launched on May 5, 2022, and is available on Ethereum and BNB Chain through the BTTC cross-chain protocol.