[Solana Co-Founder: Currently, all L2s rely on the 'upgrade multisig' mechanism, rendering security guarantees meaningless] BlockBeats News, October 27, Solana co-founder Toly participated in a discussion on social media and stated, 'The promises of L2 ≠ the reality of L2. To achieve a complete L2, its code complexity and potential attack surface are extremely vast, making it impossible to be both flawless, high-performance, and fully functional. Because of this, all current L2s rely on an 'upgrade multisig' mechanism, which renders their claimed security guarantees meaningless. In the worst-case scenario, they all face the same risks as Wormhole. The multisig of L2 can spend all the funds in the cross-chain bridge. Wormhole's multisig can also spend all the funds in the cross-chain bridge. It's that simple. Sui's validators themselves cannot unilaterally do anything. Even if they secretly pushed a patch to their nodes overnight—even if they controlled 100% of the staking—Binance, Coinbase, Tether, and all uncoordinated RPC nodes would reject the state, and the entire network would cease to operate. But in the case of L2 and Wormhole, no one would stop. Therefore, users of cross-chain bridges bear additional risks compared to native users.'