Crypto NewsZCash Zcash Completes 'Most Ambitious' Network Upgrade as ZEC Resumes Recent Surge By Coin Gazette Editorial Comments Off on Zcash Completes 'Most Ambitious' Network Upgrade as ZEC Resumes Recent Surge June 3, 2026 1 Min Read A Zcash vulnerability could have allowed double-spending within the network's flagship privacy pool, though no exploitation occurred.