Aztec launches Tierra V6 with faster private proofs

Aztec, an Ethereum Layer 2 with programmable private contracts, announced Tierra (Alpha V6) on November 3, saying the upgrade speeds private transactions and Ethereum deposits. The Aztec Foundation’s announcement describes the release as a network upgrade that also brings new private applications.

Faster proofs and deposits could make privacy features more practical in apps that interact with Ethereum.

How does Tierra V6 speed up private transactions?

Aztec says private transaction proofs now take one second on a native device, twice as fast as on the previous network. In Aztec’s model, private functions run and generate proofs on the user’s device, while public functions run on the network. That lets developers choose which functions in a smart contract are private and which are public, according to the Foundation.

The upgrade also changes how messages travel from Ethereum to Aztec. The Foundation says a new architecture reduces delivery time from an average of two minutes to as little as 12 seconds. This affects deposits and other cross-chain interactions; the announcement does not specify that every message will arrive in 12 seconds.

What changed in the V6 release?

Aztec says Tierra resolves vulnerabilities found in earlier versions, including a critical issue discovered in V5. The upgrade adds formal verification of core cryptographic components, an AI-powered security testing harness and other protocol changes. The announcement does not detail the V5 issue or describe the verification scope beyond those core components.

For operators, Aztec’s V6 release documentation says the new rollup starts from genesis, with no V5 chain state carried over. That means node operators need a new, empty data directory for V6. The documentation also lists changes to artifact locations and configuration variable names, making the release an operational migration as well as a protocol upgrade.

Which private applications are arriving with Tierra?

The Foundation says Tierra arrives alongside applications for payments, trading, AI and social use. Its list includes zk.money for private payments and savings, Nyx for payments to Ethereum wallets, Nemi for private perpetuals trading, and Galactica for private AI inference. Some apps are launching while others are preparing deployments, the announcement says.

Aztec highlights zk.money and Nyx as leading the launch, and says users can deposit into zk.money directly from any Ethereum wallet using the faster messaging system. The release therefore pairs infrastructure changes with applications intended to use them, while leaving the timing and availability of individual deployments to their respective teams.

Sources

• Aztec Foundation’s announcement — aztec.network
• V6 release documentation — docs.aztec.network