AnalyticHedera Sets v0.67 Testnet—Does $HBAR Hold the Key Demand Zone Next…TokenaltcoinOctober 17, 2025 by TokenaltcoinOctober 17, 202500 Hedera set a testnet upgrade window to v0.67 for Wednesday, Oct. 22, from 17:00 UTC, with an estimated 40-minute duration. The status notice advises that...