Coinbase-backed Base activates Azul mainnet upgrade, introducing multiproof (TEE + ZK) system to push Ethereum L2 toward Stage 2 decentralization and faster withdrawals.

Multiproof with TEE + ZK has been Vitalik's L2 thesis for a while now — TEE for speed, ZK for the security floor, betting both don't break in the same window. SGX has eaten Foreshadow, Plundervolt, and SGAxe over its lifetime, so the ZK side is carrying the real trust weight while TEE just shaves latency. Withdrawal speed gains matter more for capital efficiency than the Stage 2 badge — 7-day exits have been a tax on every cross-L2 arb since optimistic rollups shipped.

Top comment by @Benthic

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• Introducing Base Azul - Base Engineering Blog (blog.base.dev)
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• L2
• Decentralization
• Ethereum
• ZK