Aptos (APT) has patched a ‘critical’ vulnerability in its Move virtual machine that security researchers warned could have exposed up to $70 billion in digital assets to systemic risk, underscoring how quickly smart contract platforms must respond as stablecoins and cross-chain bridges scale. According to CoinDesk, white-hat researchers at security firm Hexens identified what they described as an ‘expired cache’ issue in late February and privately reported it to the Aptos development team.
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