Zac Williamson & Joe Andrews: Aztec - Privacy-preserving, hybrid ZK rollup

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2+ y ago 1:18:21

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In order to achieve true transaction privacy, it is not enough to encrypt or build ZK proofs for transaction bundles, as long as the underlying blockchain uses an account-based model. Aztec is building a ZKVM that superposes an UTXO model, so that balances are constantly updated as new, untraceable, log entries. The upcoming Aztec 3 aims to enable privacy-preserving smart contracts, using a hybrid, multi-layered rollup. This approach allows for both public and private smart contracts to be executed simultaneously.

We were joined by Zac Williamson & Joe Andrews, to discuss the evolution of Aztec, from ZK Money to their upcoming privacy-preserving hybrid ZK rollup.

Topics covered in this episode:

The evolution of Aztec, from ZK money to Aztec 3
How Aztec’s ZKVM ensures privacy for Ethereum transactions
The need for UTXO model for privacy-preserving encrypted databases
Interacting with public smart contracts in a private manner
Technical roadmap and challenges faced along the way
How Aztec differs from Mina protocol
Recursive proofs
Estimating gas
Main-net sequencer decentralisation
Goblin Plonk
The future of programmable privacy

Episode links:

This episode is hosted by Felix Lutsch. Show notes and listening options: epicenter.tv/499

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