Pre-Launch Protocol for DeFi Lending Lotus has announced that WisdomTree’s Treasury Money Market Digital Fund (WTGXX) will serve as part of the reserve framework supporting LotusUSD, the main vault token, according to a press release shared with The Defiant. According to the DeFi protocol, this move marks one of the first examples of a money market fund being referenced within a DeFi lending protocol.
The LotusUSD reserves are composed of USDC and short-term tokenized US government bonds. According to the release, the WTGXX integration is designed so that lenders earn a base rate of return even at zero usage, circumventing the structural problem with standard DeFi lending where returns dry up when loan demand is low.
WTGXX currently tokenizes over $857 million in US Treasuries, primarily on Ethereum with a secondary allocation on Arbitrum, and has a 7-day APY of 3.49%, according to data from RWAxyz.
The integration is made possible in part by WisdomTree’s recently granted exemption measure from the Securities and Exchange Commission that allows 24/7 instant settlement of WTGXX shares – a prerequisite for compatibility with 24-hour DeFi infrastructure.
“We are seeing growing interest in connecting regulated financial assets, such as WTGXX, with blockchain-based infrastructure,” Maredith Hannon, BD head of digital assets at WisdomTree, said in the release. “This momentum reflects a broader exploration of how tokenized traditional assets can be used within emerging digital ecosystems.”
Lotus also uses a tranched market structure, allowing lenders to select explicit risk profiles within a single connected liquidity pool rather than accepting a uniform pool-wide exposure, according to the protocol’s documentation.
The announcement comes days after the Kelp bridge exploit, in which an attacker took unbacked rsETH and used it as collateral for Aave to borrow nearly $200 million in real assets, leaving Aave modeling between $124 million and $230 million in bad debt. Lotus founder and CEO David Reising drew a direct line between that event and the protocol’s design thesis:
“Returns in the DeFi lending markets are overly dependent on risky, volatile collateral. This was highlighted by this weekend’s KelpDAO exploit and the subsequent $15 billion Aave fallout – one of many events that have demonstrated the need for risk that is predictable, capped and fairly priced.”
Reising argues that the problem is structural and persistent: “The desire to lend against subprime assets such as rsETH is a market structure problem that can be eliminated by allowing people to sit at different risk levels in asset markets containing high-quality collateral. Collateral risk is not the only option to generate high returns.”
On how Lotus’ design addresses this: “When lenders earn a reliable base rate on stable assets through productive debt, opaque collateral becomes less attractive by default and tail risk at the platform level decreases before an exploit occurs.”
Lotus lists the pre-deposit vaults as opening in May 2026, followed by general availability. Early access requests are open on the protocol homepage.
Tokenized Treasuries have seen strong adoption of DeFi, with protocols such as Aave’s Horizon RWA Market now accepting them as collateral – a trend that Lotus is further expanding into credit market design.
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