USDD is a [stablecoin] issued by the TRON DAO Reserve. It’s pegged to the value of the US dollar and aims to provide a reliable, decentralized cryptocurrency for [blockchain] transactions. USDD can be used for payments, trading, [staking] and as a value store.
USDD is backed by a number of cryptocurrencies, including Bitcoin, Ethereum and [TRON]. To ensure stability and security, the reserve is over-collateralized, meaning that it holds more assets than the amount of USDD currently in circulation.