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Bitcoin

Zcash’s Ironwood Upgrade Faces Possible Delay as Z3 Software Migration Strains Ecosystem Readiness

Shielded Labs has raised the prospect of delaying Zcash’s Ironwood network upgrade, warning that exchanges, mining pools and wallets may not have sufficient time to prepare their systems ahea

AnonymousCryptoCompass newsroom
July 4, 2026
1 min read
NEWS
Zcash’s Ironwood Upgrade Faces Possible Delay as Z3 Software Migration Strains Ecosystem Readiness
CryptoCompass editorial visual for bitcoin coverage.

Shielded Labs has raised the prospect of delaying Zcash’s Ironwood network upgrade, warning that exchanges, mining pools and wallets may not have sufficient time to prepare their systems ahead of the planned late July activation.

Jason McGee, executive director of Shielded Labs, posted in the Zcash community forum that Ironwood is advancing simultaneously with a separate and demanding infrastructure overhaul. Ecosystem participants are being asked to retire zcashd, Zcash’s longstanding node and wallet software, and migrate to the Z3 stack, a new suite of tools comprising Zebra for node operation, Zaino for supplying blockchain data to applications, and Zallet for wallet functions.

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