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Zcash to activate Ironwood upgrade July 28 to fix critical fake coin bug in privacy pool

Protocol Fundamentals
10 Jul 2026
Crypto Briefing
View Source
Bullish
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Zcash will activate its Ironwood network upgrade on July 28 to fix a serious bug in its Orchard shielded pool that could have allowed unlimited counterfeit ZEC coins. The bug was discovered in May and led to emergency patches and forks to temporarily disable the vulnerable pool. The Ironwood upgrade introduces a new shielded pool with a public checkpoint to verify total coin supply and prevent counterfeiting. Investors should watch the migration process and audit results closely, as these will confirm the system's integrity and influence market confidence.

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Zcash schedules Ironwood upgrade for July 28 to fix security bug and verify counterfeit ZEC risk.

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