Mainnet settlement
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Sui Outage History
Sui is up right nowSui had 4 outages in the last 2 years totaling 84h 18m of downtime — averaging 0.2 incidents per month.
There were 4 Sui outages since June 28, 2025 totaling 84h 18m of downtime. Each is summarised below — incident details, duration, and resolution information.
Consensus outage
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Timeline · 6 updates
- investigating Jan 14, 2026, 02:52 PM UTC
investigating consensus issues across all validators
- investigating Jan 14, 2026, 02:52 PM UTC
We are continuing to investigate this issue.
- identified Jan 14, 2026, 03:18 PM UTC
The issue has been identified and a fix is being implemented.
- identified Jan 14, 2026, 07:37 PM UTC
Fix is ready and will be rolled out soon
- monitoring Jan 14, 2026, 08:44 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jan 14, 2026, 09:22 PM UTC
The validators have rolled out the fix and the system is fully functional.
Sui Mainnet Network
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Timeline · 2 updates
- investigating Dec 14, 2025, 07:52 PM UTC
We are currently investigating degraded consensus, much higher latencies.
- resolved Dec 14, 2025, 11:03 PM UTC
This incident has been resolved.
Testnet validators lost quorum for checkpoint generation
Affected: Sui Testnet - Validators
Timeline · 2 updates
- investigating Jun 28, 2025, 11:12 PM UTC
We understand the root cause and the team is figuring out options for troubleshooting.
- resolved Jun 29, 2025, 11:20 PM UTC
This incident has been resolved.