Startup profile for Aztec: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.
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Aztec funding, valuation and investors

Encrypted Ethereum L2 using zero-knowledge proofs for private smart contracts.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series B

$100M · December 2022

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$100M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

series b · London, UK

Investors in latest funding

Lead: Andreessen Horowitz

Sources: latest funding Last verified: 2026-07-25

Overview

Aztec Network is building an Ethereum Layer 2 that uses zero-knowledge proofs to enable private smart contracts and encrypted transactions. Unlike transparent L2s, Aztec aims to keep transaction amounts, senders, and contract state confidential while inheriting Ethereum security. The project spun out of research on ZK-SNARKs applied to general-purpose programmability. Andreessen Horowitz crypto led a $100M Series B in 2022. Aztec has iterated through testnets including Ignition and continues development toward mainnet deployment of its privacy-focused rollup.

Why Aztec is interesting

Aztec pursues fully encrypted programmable Ethereum — a16z crypto led a $100M Series B, making privacy a first-class L2 primitive rather than a side protocol.

Product & use cases

Aztec Network is an Ethereum L2 rollup using ZK proofs for private transactions and encrypted smart contract execution. Developers can build DeFi and applications where user balances and activity remain confidential on-chain.

  • Private DeFi transactions hiding amounts and counterparties
  • Confidential voting and governance on Ethereum
  • Enterprise blockchain applications requiring transaction privacy

Key facts

  • Series B (Dec 2022): $100M led by a16z crypto — TechCrunch
  • Building encrypted Ethereum L2 with Noir programming language for ZK circuits
  • Co-investors: no additional VCT-directory institutional investors publicly named in Series B

Funding history (newest first)

Series B

2022-12 $100M

Source: https://techcrunch.com/2022/12/07/aztec-network-raises-100m-to-build-private-ethereum-rollup/

Investors in our directory

Funds linked from Aztec's profile — open a fund page for stage focus and related deal articles.

Andreessen Horowitz

Competitive landscape

Edge: General-purpose private smart contracts on Ethereum — not just shielded transfers but programmable privacy via Noir language and ZK circuits.

Aztec competes in the privacy blockchain space by anchoring to Ethereum rather than launching a standalone chain. Zcash and Monero offer payment privacy but limited programmability. Aleo and Penumbra target similar ZK-privacy developers but on different stacks. Aztec's bet is that Ethereum composability plus encryption wins over privacy silos.

  • Zcash adjacent

    Privacy-focused L1 with shielded pools; Aztec targets programmable privacy on Ethereum.

  • Penumbra adjacent

    Privacy DEX on Cosmos; different chain ecosystem than Aztec's Ethereum L2.

  • Aleo direct

    ZK-native L1 for private applications; competes for privacy-first developer mindshare.

Notable stories

  • Aztec co-founder Zac Williamson previously worked on Zcash — applying ZK-SNARK research to general-purpose Ethereum programmability.
  • The $100M Series B was among the largest privacy-focused crypto rounds of 2022, signaling institutional conviction in encrypted L2s.

Industries

Crypto & Web3 Deep Tech

FAQs about Aztec

Practical answers founders, operators, and investors typically search for.

Aztec is an Ethereum Layer 2 using zero-knowledge proofs to enable private smart contracts and encrypted transactions while inheriting Ethereum security.
Andreessen Horowitz crypto led a $100M Series B in December 2022. See /fund/andreessen-horowitz.
Most L2s (Arbitrum, Optimism) are transparent. Aztec encrypts transaction data and contract state using ZK proofs — privacy is the core design choice.
Noir is Aztec's domain-specific language for writing zero-knowledge circuits — developers use it to build private smart contract logic.
Aztec has run testnets including Ignition; mainnet timeline should be verified on aztec.network for current status.
Zcash offers shielded payments on its own chain. Aztec targets programmable privacy as an Ethereum L2 with smart contract support.
December 2022 — Series B led by a16z crypto, reported by TechCrunch and company announcements.
Private DeFi, confidential voting, and enterprise applications needing encrypted on-chain state without leaving Ethereum's security model.
Aztec is a major a16z crypto bet on privacy infrastructure — relevant for founders and investors mapping ZK and L2 categories.
Aztec is a protocol/network building privacy infrastructure on Ethereum. Any native token details should be verified from official Aztec documentation.
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