Aztec rolled out Aztec Tierra, the sixth alpha release of its privacy L2 on Ethereum, alongside a new brand and a slate of private apps. The upgrade patches the critical proving-system flaw the team disclosed in August and roughly doubles the speed of client-side proofs.

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What's the Scoop?

• The fix: Back on Aug. 7th, Aztec revealed that an attacker could potentially forge a proof the V5 network would accept for a transaction it should have rejected. Because the rollup contracts are immutable, the only remedy was shipping an entirely new rollup, which is what V6 is. Aztec says it has also formally verified core pieces of the proving system and added an AI-driven security testing harness.

• Faster everything: Private proofs now take about 1 second on native hardware, per Aztec, versus roughly 2.5 seconds for a token transfer on V5. Deposits from Ethereum, which used to average two minutes to land, now arrive in roughly 12 to 30 seconds thanks to a reworked inbox.

• The app wave: Aztec Labs relaunched zk.money, its private payments product, three years after shutting down the original. Also in the lineup are Galactica's Private Inference (pay for GPT, Claude, and open models from a private balance), Nemi (a private DEX, currently waitlist-only), Xochi (private intents), the Nulo wallet, and Olla liquid staking for AZTEC.

• Already canonical: The chain actually switched to V6 on Oct. 26th after a token-holder vote; today is the public launch and rebrand. V5 stays funded for about 30 days so stragglers can migrate.