Zcash to proceed with mainnet upgrade on 7/28 to 'block ZEC infinite issuance vulnerability'

According to Zcash (ZEC) core developer Sean Bowe, the 'Zcash Ironwood' mainnet upgrade will be activated on July 28 at 21:00 KST (block height 3,428,143). This upgrade focuses on removing the 'Orchard pool' vulnerability, which could potentially allow attackers to infinitely issue fake ZEC.