Chainalysis incident

Data Delay for Reactor

Minor Resolved View vendor source →

Chainalysis experienced a minor incident on May 21, 2025 affecting KYT API and Reactor, lasting 2d 6h. The incident has been resolved; the full update timeline is below.

Started
May 21, 2025, 11:04 AM UTC
Resolved
May 23, 2025, 05:56 PM UTC
Duration
2d 6h
Detected by Pingoru
May 21, 2025, 11:04 AM UTC

Affected components

KYT APIReactor

Update timeline

  1. identified May 21, 2025, 11:04 AM UTC

    We have identified a data delay issue for BCH, BTC, TON, Zcash, Solana, Ethereum, Linea and Tron in Reactor. We are working on a fix for this issue. Next update at 14:00 UTC.

  2. identified May 21, 2025, 01:50 PM UTC

    We are continuing to work on a fix for the data delay issue. Currently, data for all UTXO blockchain networks are up to date apart from BCH. Next update at 18:00 UTC.

  3. identified May 21, 2025, 02:22 PM UTC

    A fix has been implemented and the data delays have recovered apart from Bitcoin Cash, Solana, Tron and Soneium. We will continue to fix the remaining delays and monitor our systems to ensure stability. Next update at 18:00 UTC.

  4. identified May 21, 2025, 02:38 PM UTC

    We are continuing to work on a fix for the Bitcoin Cash, Solana, Tron and Soneium data delays in Reactor. KYT was not impacted by the data delays. We are actively working on backfilling any blocks that may be missing since the start of the incident. Next update at 18:00 UTC.

  5. identified May 21, 2025, 05:37 PM UTC

    We are continuing to work on a fix for the remaining networks. Next update at 22:00 UTC.

  6. identified May 21, 2025, 09:44 PM UTC

    We are continuing to work on a fix for this issue. Please reach out to [email protected] if you have any questions or require further assistance. Next update at 14:00 UTC on May 22nd.

  7. identified May 22, 2025, 09:49 AM UTC

    We are continuing to work on a fix for Tron and Soneium in Reactor. Bitcoin Cash and Solana are up to date. We are actively working on backfilling any blocks that may be missing since the start of the incident. Next update at 15:00 UTC on May 22nd.

  8. identified May 22, 2025, 02:50 PM UTC

    We are continuing to work on a fix for Soneium in Reactor. Tron is up to date. We are actively working on backfilling any blocks that may be missing since the start of the incident. Next update at 10:00 UTC on May 23rd.

  9. identified May 23, 2025, 09:53 AM UTC

    All blockchain networks are up to date in Reactor. We are actively working on backfilling any blocks that may be missing since the start of the incident. Next update at 18:00 UTC on May 23rd.

  10. resolved May 23, 2025, 05:56 PM UTC

    This incident has been resolved. Please contact [email protected] if you have any questions or require further assistance.