Aave layers up security as crypto lending climbs 55%

Crypto lending has grown 55% since July, according to Cointelegraph. More borrowing means more money parked in smart contracts, and more money in smart contracts means a bigger target. Aave, the largest decentralized lender by market share and total value locked (TVL), is responding by stacking its defenses for the V4 rollout. Attackers now have AI tools of their own, and DeFi protocols are wired together closely enough that one failure can spread to its neighbors. Inside the security stack Aave Labs is treating V4 security as a year-long program instead of a one-time checkup. The Aave DAO, the token-holder body that governs the protocol, approved a $1.5 million budget for the effort. A governance post from March 2026 set out five commitments. They are early embedding of formal verification, sustained layered auditing, continuous verification, a permanent bug bounty program, and AI-assisted smart contract scanning. Formal verification uses mathematical proofs to show certain failures cannot happen at all, unlike normal testing, which only confirms the code behaves correctly in the cases someone thought to check. V4 went through about 345 cumulative days of security review across in...