Chainalysis experienced a minor incident on September 18, 2026 affecting KYT API and KYT UI, lasting 9d 21h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 18, 2026, 07:29 PM UTC
On September 16, 2026, some KYT alerts were generated with incorrect USD amount values, which could have affected downstream compliance reviews and thresholds that rely on USD-denominated amounts. The issue was identified and investigated the same day. The mitigation is still in progress. Next update at 10:00 UTC on Monday, September 21st.
- identified Sep 21, 2026, 10:00 AM UTC
As of 10:00 UTC on Monday, September 21st, there are no further updates to share at this time. The issue involving incorrect USD amount values in some KYT alerts generated on September 11, 2026 has been identified, and mitigation remains in progress. Next update at 17:00 UTC.
- identified Sep 21, 2026, 05:02 PM UTC
We are continuing to work on mitigation for this incident. Next update at 17:00 UTC on Tuesday, September 22nd.
- identified Sep 22, 2026, 05:00 PM UTC
Mitigation is expected to be completed by the end of this week. Please reach out to [email protected] if you have any questions. Next update at 23:00 UTC on Friday, September 25th.
- identified Sep 25, 2026, 10:14 PM UTC
Mitigation is still in progress and is now expected to be complete by Monday, September 28th. Please reach out to [email protected] if you have any questions. Next update at 17:00 UTC on Monday, September 28th.
- resolved Sep 28, 2026, 04:32 PM UTC
This incident has been resolved. Mitigation has been completed, and all alert panels now reflect the correct USD amount values. Please reach out to [email protected] if you have any questions.