Sui Blockchain Resumes Activity After Six-Hour Transaction Halt

Sui's blockchain experienced a six-hour transaction halt on January 14, 2026, due to a network stall.

Outage Timeline and Recovery

  • Issue detected at 2:52 pm UTC; block production stopped.
  • Network restored by 8:44 pm UTC.
  • No blocks finalized, halting user activity in wallets and dApps during the outage.

Impact on Transactions and Value

  • Over $1 billion in value was frozen, with no funds stolen or altered.
  • Transactions failed or queued, causing errors in many dApps.

Sui Blockchain Outage

Cause and Market Reaction

  • Problem identified as a consensus outage; full technical details pending.
  • SUI token traded around $1.80–$1.85 post-recovery.

Historical Context and Reliability Concerns

  • This incident follows previous outages affecting validator coordination and uptime.
  • November 2024 saw a similar consensus issue.
  • Ongoing questions about network reliability and future prevention measures.

The Sui team plans a detailed incident report to improve transparency, which will be of interest to developers, exchanges, and investors relying on the network's stability.