Chainalysis experienced a major incident on October 31, 2025 affecting KYT UI, lasting 1h 57m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 31, 2025, 02:29 PM UTC
We are currently investigating a KYT outage affecting both the UI and API. We will provide more details as soon as we have them. We have no workaround to share at this time. Next update at 15:00 UTC
- identified Oct 31, 2025, 03:02 PM UTC
We’ve identified the root cause of this issue and are actively working to implement a fix. Whilst the KYT UI is still down, some services have returned to normal (alerts APIs), and it appears that transfer APIs were unaffected by this incident. Other services are actively coming back online, and we expect all APIs to be back up and running momentarily. We will continue to monitor this and work to ensure services are restored to a healthy state. Next update at 17:00 UTC
- monitoring Oct 31, 2025, 03:42 PM UTC
The issue has been resolved, and the KYT UI and APIs are now fully operational. We will continue to monitor the system performance, but if you are still experiencing any issues, please contact us at [email protected] Next update at 18:00 UTC
- resolved Oct 31, 2025, 04:27 PM UTC
This incident has been resolved. We have confirmed that all services are fully operational. Should you continue to experience any issues, please contact the Support Team at [email protected].