Zcash Sets July 28 Date for Ironwood Upgrade to Fix 'Infinity' Bug and Trace Counterfeit Tokens

Zcash has officially scheduled its Ironwood network upgrade for July 28, a decisive move to patch the 'infinity' bug discovered in May within the Orchard private transaction pool. This critical upgrade aims to replace the compromised Orchard pool with a more secure infrastructure to maintain the blockchain's privacy standards.
Beyond fixing the vulnerability, the Ironwood upgrade introduces an accounting checkpoint for all funds migrating from Orchard to the new private pool. This mechanism is expected to provide vital forensic evidence regarding whether counterfeit ZEC tokens were minted during the exploit, ensuring long-term network integrity and investor confidence.
The Ironwood upgrade will close the current Orchard pool, prevent new activity within it, and establish a brand-new private pool. Crucially, funds leaving Orchard must pass through an accounting checkpoint before entering Ironwood, a process that may reveal whether counterfeit Zcash (ZEC) tokens were produced via the recent bug. Core developer Sean Bowe confirmed that major organizations are committed to the NU6.3 activation at height 3428143.
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