I first covered @USDDecentralize back in January when supply was ~$1.1B. Since then, it has grown to ~$1.5B in USDD supply and $2.24B in collateral value. And now, $USDD 2.0 introduced an overcollateralized vault model that lets users mint stablecoins against their crypto, alongside a growing multichain yield ecosystem. Following the earlier WBTC Vault launch on TRON, they’re bringing $ETH and $WBTC vault borrowing to Ethereum. Here's everything you need to know about the new vaults ↓ 1️⃣ Vault Mechanics There are six vaults in total. Three backed by $ETH and three by $WBTC, with a $400M max debt ceiling split evenly between the two assets. → ETH Vaults: 66.7%–76.9% max LTV | 4.25%–5% fixed stability fee → WBTC Vaults: 64.5%–74.1% max LTV | 4%–4.5% fixed stability fee → All six Vaults: 13% liquidation penalty These are fixed annual rates, not floating borrowing rates. That means the cost is set upfront, so borrowers don’t need to worry about interest spikes while their Vault is open. At 4%–5%, the rates are more attentive than many floating borrowing rates on major CEXs and even onchain giants like Sky. There is also a simple exit route if you need liquidity. USDD minted from a Vault can be swapped 1:1 into USDT or USDC through the PSM, with zero slippage and zero fees. For ETH and WBTC holders who are bullish on their assets but need liquidity, this creates a fixed, low-cost borrowing option with a frictionless route back into USDT or USDC. 2️⃣ The Yield Math – Net-Positive Made Simple Minting USDD and staking it into sUSDD alone roughly breaks even (4% APY vs. 4.25–5% cost). But that's just the baseline. USDD's Smart Allocator generates yield across top protocols like @Aave, @Spark, and @Morpho – delivering positive spreads. And for higher returns, @BinanceWallet @Gate DEX and @Pendle currently offer campaigns that push yields into the 7%–10% range. Bottom line: Borrowing USDD isn't just affordable – it's profitable, with multiple yield layers available to exceed your stability fee. 3️⃣ Ethereum Gets a Borrowing Layer USDD has been available on @trondao, @ethereum, and @BNBCHAIN for a while. But until now, Ethereum users have mainly accessed it by swapping $USDT or $USDC through the Peg Stability Module. On TRON, users could also mint USDD by borrowing against crypto collateral. These new Vaults bring that borrowing option to Ethereum. USDT and USDC holders can still swap through the PSM, while ETH and WBTC holders can lock their assets in a Vault and mint $USDD against them. To get their collateral back, you would simply need to repay the USDD plus the accumulated fee. This expands $USDD’s collateral beyond $TRX, $USDT, or $USDC. 4️⃣ The Growth Opportunity USDD currently has around $267M in USDD & sUSDD issued on Ethereum. That is still small against the chain’s wider borrowing market, but it gives the new Vaults a base to build from. $ETH and $WBTC are among the most widely used collateral assets in Ethereum DeFi. Supporting both means $USDD can compete for borrowing demand that already exists, and, IMO, this is the harder but more durable path. 5️⃣ Final Thoughts What I like is that existing ETH and WBTC holders don’t need to sell their assets or acquire USDD first. I'm bullish on the demand for these Vaults filling fast and attracting new collateral, creating additional USDD supply, and expanding its use across DeFi. Whether it becomes a lasting growth driver depends on competitive borrowing terms, useful integrations, and how the system handles risk. You can check out the Vaults and deposit here: If you’re looking for more details, there’s also an official walkthrough for opening a Vault here: