Hedera halt during an upgrade on 23rd Dec 2025

Scheduled for Dec 23, 17:00 - 18:00 UTC

Scheduled

Hedera Mainnet Blockchain will perform an upgrade to v0.68 on Tuesday, December 23rd, 2025 at 17:00 UTC.. The upgrade will be completed once the network’s nodes finish upgrading. A short while before that time, Fireblocks will halt all activities on the Hedera blockchain, as the network may be disrupted during the upgrade, which is expected to last 1 hour. Once the upgrade is completed, Fireblocks will re-enable the activity.

Posted Dec 22, 2025 - 11:48 UTC

This scheduled maintenance affects: Blockchain nodes (Hedera Hashgraph).