Zcash Activates Ironwood Upgrade, Closing Compromised Orchard Pool

The Zcash network has activated its Ironwood upgrade at block height 3,428,143 on July 28, 2026. This move is not a routine update, as it marks a significant shift in the network's architecture.

Ironwood brings several key changes to the Zcash ecosystem. One notable aspect is the closure of the compromised Orchard private pool, which held approximately 3.76 million ZEC (22% of the total supply). This decision comes after an