LlamaRisk, Aave's designated risk steward, has recommended increasing supply caps for two major stablecoins on Aave V3 Core following an analysis of reserve utilization patterns and user demand. The proposals target USDtb and USDT, both of which have approached critical saturation levels, constraining legitimate deposit flows on the protocol. These adjustments reflect the tension between accommodating genuine user demand and maintaining prudent risk parameters—a recurring theme in Aave's governance as the protocol scales.
USDtb has reached 96.3% utilization of its existing 250 million cap, with LlamaRisk recommending an increase to 302 million. The concentration risk here warrants attention: Ethena controls approximately 87% of supplied USDtb, with the top three suppliers accounting for nearly all deposits. However, because USDtb is not enabled as collateral on V3 Core, it functions purely as a yield-bearing deposit rather than as leverage fuel, which materially reduces systemic risk. The protocol treats this as demand-driven rather than speculative positioning, justifying the expansion. Similarly, USDT has hit 96.8% utilization at 2.6 billion, prompting a recommendation to raise the cap to 2.9 billion. The largest twenty USDT suppliers hold positions with no borrowed debt, suggesting they are parking stablecoins for yield rather than using them as collateral for risky strategies. This distinction—between productive capital deployment and speculative leverage—underpins the risk framework.
The proposed adjustments demonstrate how Aave's governance infrastructure responds to real-time conditions. By targeting utilization closer to 80-87% rather than the current near-saturation levels, LlamaRisk creates breathing room for organic growth while maintaining buffers against sudden withdrawal spikes or market stress. Notably, the recommendations leave borrow caps unchanged, signaling confidence in current leverage constraints even as deposit capacity expands. This tiered approach—loosening supply-side constraints while holding firm on borrowing limits—reflects lessons learned from previous cycles where unchecked leverage created cascade risks.
Stablecoin yield on Aave remains attractive relative to traditional finance, making these reserves natural destinations for institutional and retail capital seeking better returns. As on-chain yield infrastructure matures and more sophisticated treasuries rotate into defi, such capacity adjustments will likely become routine governance matters rather than edge cases. The real governance challenge ahead lies in calibrating these parameters as stablecoin liquidity deepens and concentration risks potentially diminish through broader adoption.