# Aztec Targets the End of 2030 for Full Post-Quantum Migration as an Ethereum Researcher Measures the Sender's "Free Option" in Encrypted Mempools

Aztec plans to choose new signature schemes in March 2027 and new proof systems in November 2027, and it says a full migration also depends on changes to Ethereum's data availability layer.

- Published: 2026-10-22T05:48:52.369Z
- Canonical: https://polylog.news/crypto/2026-10-22/aztec-targets-the-end-of-2030-for-full-post-quantum-migratio
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Aztec Network](https://aztec.network/blog/post-quantum-aztec), [Ethereum Research](https://ethresear.ch/t/reveal-optionality-in-encrypted-mempools-how-big-is-the-sender-s-free-option-and-a-post-quantum-way-to-remove-it/26169), [The Defiant](https://thedefiant.io/news/blockchains/aztec-targets-full-post-quantum-migration-by-end-of-2030), [The Crypto Times](https://www.cryptotimes.io/2026/10/16/aztec-sets-2030-target-for-full-post-quantum-blockchain-migration/)

Aztec has published a post-quantum roadmap with dated milestones. It aims to make its privacy network resistant to quantum attacks by the end of 2030, The Defiant reports. The first deliverable is due in February 2027: hardened developer li…

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