Meanwhile, Grego AI, which independently verified Hexens’ proof-of-concept, calculated that approximately $250 million in Aptos-native TVL was directly at risk based on the near-90% success rate, separate from broader cross-chain exposure.

The $70 billion risk

The vulnerability, discovered by Vahe Karapetyan, CTO and co-founder of Hexens, could, if left unchecked, have exposed a far larger systemic risk surface across bridges, stablecoins, DeFi protocols and centralized exchanges, costing billions and creating a crisis far beyond Aptos itself.

And all it would’ve taken was a few thousand dollars’ worth of servers.

The total cost to spin up the infrastructure needed to run this experiment was approximately $3,000 for a server that…