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Ethical Hackers Discover Critical Aptos Flaw; $70B at Risk

A critical vulnerability in Aptos blockchain allowed near-90% success in breaking core security for mere hundreds of dollars. Researchers used a $3,000 server to demonstrate the flaw, which could have jeopardized $70 billion in crypto. The issue has since been patched, averting potential catastrophe.

Jul 4, 2026, 6:00 PM UTCCoinDeskOliver Knight

Quick Take

Aptos blockchain had a critical security flaw, patched after discovery.

Researchers achieved nearly 90% exploit success with cheap attack costs.

$70 billion in crypto was potentially at risk from the vulnerability.

The flaw was found by ethical hackers using a $3,000 server setup.

Market Impact Analysis

Bearish

Disclosure of a severe past vulnerability may erode short-term confidence in Aptos, even though it is patched.

Timeframeshort

Speculation Analysis

Factuality80/100

RumorsVerified

Speculation Trigger75/100

MinimalExtreme FOMO

A critical flaw in the Aptos blockchain, which was patched, gave researchers a near-90% success rate at breaking a core security guarantee, with attack costs of just hundreds of dollars.

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