Zcash Ironwood Upgrade — New Shielded Pool
Zcash (ZEC) · Releases & Updates · Jul 21, 2026
Zcash activates its Ironwood mainnet upgrade on July 21, 2026 — audited consensus-rule changes aimed at addressing ZEC supply-integrity concerns. Testnet activation begins July 8.
Zcash developers confirmed the Ironwood network upgrade will activate on mainnet on July 21, 2026, with testnet activation beginning July 8. Ironwood ships audited consensus-rule changes whose primary objective is to address ZEC supply-integrity concerns. Network infrastructure is ready; some wallets may need extra time to update.