Aptos (APT) has patched a critical bug in its Move virtual machine after white-hat researchers warned it could have exposed as much as $70 billion in digital assets to systemic risk, underscoring how smart contract and execution-layer flaws can threaten even fast-growing Layer 1 networks. According to CoinDesk and security firm Hexens, the issue—described as an ‘expired cache’ vulnerability—was identified in late February and privately reported to the Aptos development team, which deployed a fix soon after.
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