How ethical hackers with just a $3,000 server found a flaw that could've put $70 billion in crypto at risk

Researchers with a $3,000 server discovered a critical flaw in the Aptos blockchain, compromising a core security guarantee with a near-90% success rate. Attack costs were remarkably low, in the hundreds of dollars. The vulnerability, since patched, had the potential to put $70 billion in crypto at risk, highlighting the importance of ongoing security audits and updates in the industry.