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[Solana Co-Founder Toly: L2 Relies on Upgradeable Multisig Mechanism, Security Risks Exist] On October 27, Solana co-founder Toly posted on social media, pointing out that all current L2s rely on the 'upgradeable multisig' mechanism, making it difficult to fulfill their security commitments. He stated that the code complexity and potential attack surface of L2s are vast, making it challenging to achieve the goals of being bug-free, high-performance, and fully functional. Toly emphasized that the multisig mechanism of L2s could expose cross-chain bridge funds to risks similar to Wormhole. Users trading via cross-chain bridges bear additional risks, while native users remain unaffected.

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