Ethical Hackers Found Aptos Blockchain Flaw That Risked $70B in Crypto

Security researchers discovered a critical vulnerability in the Aptos blockchain that has since been patched. The flaw allowed attackers to break a core security guarantee with nearly a 90% success rate. Carrying out the attack required only a modest $3,000 server and cost just hundreds of dollars to execute. The vulnerability posed a potential risk to approximately $70 billion worth of cryptocurrency stored on the network. The responsible disclosure and subsequent patch prevented any known exploitation of the flaw.