Until April 17, lending stablecoins through Aave yielded 2.32% APY, despite the Federal Reserve's overnight rate being 3.64%. This discrepancy suggested the market viewed unregulated, open-source smart contracts as lower credit risks than US Treasury investments. However, this mispricing was corrected within 48 hours, as the market adjusted to reflect the true credit risk of DeFi. The catalyst for this change was an exploit of Kelp DAO's cross-chain bridge, which highlighted the lack of regulation and oversight in DeFi.
The subsequent liquidity crisis led to a sharp increase in stablecoin deposit APYs and a significant decline in DeFi's total value locked. The absence of bankruptcy laws and regulatory oversight in DeFi means that participants must be aware of the unique risks involved, including the potential for disproportionate losses. As DeFi continues to evolve, institutional allocators must carefully consider these risks when sizing their exposure.