Vitalik knows.

Combining TEE and ZKP in a 2-of-3 system enhances L2 security by mitigating ZKP soundness bugs through TEE's fast verification, while privacy remains largely unaffected.

Phala Cloud, a TEE-based platform, makes this combination practical with its decentralized Root of Trust (RoT), Key Management System (KMS) protocol and ZKP Enhancement.

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