# Aztec sets the end of 2030 as its deadline to become quantum-resistant and admits part of the timeline depends on Ethereum

The privacy rollup plans to choose post-quantum signatures in March 2027, encryption in July 2027 and proof systems in November 2027, after a July bug in its proving system showed what a cryptographic flaw costs.

- Published: 2026-10-19T05:41:35.249Z
- Canonical: https://polylog.news/crypto/2026-10-19/aztec-sets-the-end-of-2030-as-its-deadline-to-become-quantum
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Aztec Network](https://aztec.network/blog/post-quantum-aztec), [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 Network](https://aztec.network/blog/alpha-v5-proving-system-vulnerability), [Aztec Network](https://aztec.network/alpha-v5)

Aztec, the privacy-focused layer-2 network on Ethereum, published a post-quantum security roadmap that targets full quantum resistance by the end of 2030. The first deliverable is due in February 2027: hardened developer libraries and impro…

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