The lending landscape in DeFi underwent a significant transformation in just 48 hours, as the market corrected its mispricing of credit risk. Until April 17, lending stablecoins on Aave yielded 2.32% APY, lower than the Federal Reserve's overnight rate of 3.64%. This discrepancy suggested that the market viewed unregulated, open-source smart contracts as a lower credit risk than the US Treasury. However, this anomaly was short-lived.
By the end of the weekend, the market had adjusted, and DeFi credit risk had been repriced. The catalyst for this change was an exploit on Kelp DAO's LayerZero-powered cross-chain bridge, which led to a contagion affecting multiple DeFi protocols.
As a result, Aave's stablecoin deposit APYs skyrocketed from 3-6% to 13.4%, and the total DeFi TVL across the top 20 chains plummeted by over $13 billion. This incident highlighted the unique risks associated with DeFi, including the lack of bankruptcy laws and recourse for users.
The repercussions of this event will likely be felt in the coming year, as institutional allocators reassess their exposure to DeFi and the market continues to adjust to the new risk landscape.