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Version: Testnet (v3.0.1)

Block Production

Both sequencing and proving in the Aztec Network are intended to be fully decentralized.

Overview​

Block production in Aztec involves two key roles:

  • Sequencers: Order transactions and produce blocks
  • Provers: Generate cryptographic proofs for blocks

Sequencers are chosen via a random election using a verifiable random function (VRF), while provers are selected by sequencers via an out-of-protocol coordination mechanism.

How It Works​

Block Proposal​

  1. A sequencer is selected for each slot using a VRF-based random selection
  2. The selected sequencer collects transactions from the mempool
  3. The sequencer orders transactions and proposes a block

Attestation​

  1. Committee members receive the proposed block
  2. Each committee member re-executes the transactions
  3. If valid, committee members sign attestations
  4. The proposer collects attestations (needs 2/3 + 1)

Proof Generation​

The proposers in the first C=13 slots in epoch N+1 will accept quotes to prove epoch N from provers. The winning prover will have until the end of epoch N+1 to produce and submit the proof to L1.

See Proving Coordination for details on how provers coordinate.

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