USDD launched two WBTC Vaults on TRON to let users mint USDD against Bitcoin-backed collateral. The WBTC-A and WBTC-B vaults require minimum collateralization ratios of 150% and 130%, with minimum borrowing amounts of $1,000 and $2,500. USDD said the new vaults expand its collateral base beyond TRX, sTRX, and USDT.

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