Aave founder Stani Kulechov urged DeFi lending protocols to implement circuit breaker mechanisms to protect against oracle failures, speaking at the DAS London conference on November 11. He warned that a single oracle malfunction could cause damage that takes years to reverse, as protocols may trigger liquidations based on incorrect price data. Kulechov highlighted the inherent risk of systems overly reliant on immutable code, noting that once an oracle deviates, the lack of contingency plans makes failures nearly impossible to fix. The proposed circuit breaker concept mirrors traditional financial markets' practice of halting trading under extreme conditions, allowing protocols to pause operations until issues are identified and resolved.