Zcash Activates Ironwood Upgrade, Sealing $1.8B Pool
Zcash has successfully activated its Ironwood upgrade, which replaces the vulnerable Orchard shielded pool and initiates the migration of approximately $80 million in ZEC. This upgrade addresses a counterfeiting vulnerability that had persisted for four years, enhancing the security of Zcash's assets and marking a significant operational shift.
Reports behind this story
Articles and publisher reports that informed this story.
About $80 million ZEC crosses into Zcash's new Ironwood pool in the first day
Roughly 5% of the funds in the retired Orchard pool have gone through the turnstile. The rest sit in a pool that can no longer take deposits.
Zcash Ironwood upgrade: What’s changed after the Orchard bug?
Zcash has completed its Ironwood network upgrade, replacing its vulnerable Orchard shielded pool with a formally verified alternative designed to prevent undetectable counterfeiting while beginning the migration of shielded funds into the new pool. According to Project Tachyon and the…
Ironwood Goes Live as Zcash Locks Down Orchard and Forces a $1.8B Migration
Zcash activated its Ironwood network upgrade on Tuesday, replacing its vulnerable Orchard shielded pool with a hardened system designed to restore independent verification of the cryptocurrency’s circulating supply. The NU6.3 upgrade went live July 28 at block height 3,428,143, introducing a separate Ironwood shielded pool, a new transaction format, and a mandatory accounting checkpoint for […]
Zcash Activates Ironwood Upgrade After Counterfeiting Scare
The long-awaited network upgrade retires Zcash's vulnerable Orchard shielded pool and introduces new safeguards to protect the cryptocurrency's supply.
Zcash activates Ironwood upgrade, launching new shielded pool after Orchard vulnerability
Ironwood represents something of a unified effort across Zcash’s developer ecosystem after Shielded Labs found a bug in Orchard.



