The XRP Ledger (XRPL) is proposing an upgrade to enhance security against flash loan exploits as decentralized finance (DeFi) activity increases on the platform. This proposal, highlighted by crypto analyst CryptoSensei, aims to mitigate a class of attacks that have cost DeFi protocols hundreds of millions of dollars. Flash loans, which allow actors to borrow large sums within a single transaction, have been a persistent vulnerability in DeFi. The XRPL proposal seeks to strengthen protections around liquidity pools and lending mechanisms, crucial as DeFi expands on the ledger. Beyond addressing flash loan risks, XRPL's design emphasizes resilience against extreme pressures, including state-level threats. Key defenses include anonymous validator operations over privacy networks and mechanisms for quickly replacing compromised nodes. These features underscore XRPL's commitment to maintaining robust security as it targets larger, institutional-grade use cases. The proposed flash loan mitigations reflect a maturing approach to DeFi security, aiming to reassure developers and capital allocators of the ledger's proactive stance against high-impact exploits.