Ethereum’s 2029 quantum deadline is starting to reshape what gets built next

MonitoringCryptoProtocol changeFirst tracked 2026-09-08Last changed 2026-09-08

Current outcome

Ethereum developers are prioritizing quantum resistance by December 2029, reshaping upcoming upgrades and forcing trade-offs in engineering capacity.

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#0109.08
Initial2026-09-08 10:40 · publication time
Ethereum’s 2029 quantum deadline is starting to reshape what gets built next
Ethereum developers are prioritizing quantum resistance by December 2029, reshaping upcoming upgrades and forcing trade-offs in engineering capacity.
Source evidence: CryptoSlate · CoinDesk