Use Your Spell Against You: Threat Prevention of Smart Contract Exploit By Reusing Opcode Trace
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Black Hat USA 2024 · Day 1 · Briefing
Decentralized Finance (DeFi) platforms have become a prime target for malicious actors, with billions of dollars lost annually due to sophisticated exploits. Despite advancements in pre-launch security measures like auditing and formal verification, zero-day vulnerabilities and complex inter-protocol dependencies continue to leave DeFi protocols exposed. This talk, presented by Andy, CEO of Blocksec and a university professor, introduces a novel and proactive approach to combat DeFi hacks *after* a vulnerability has been identified and an attack transaction broadcast, but *before* it is confirmed on the blockchain.