Sui Foundation restored the layer-1 Sui blockchain on Wednesday after a consensus outage halted transactions and locked more than $1 billion in value. Core developers applied a fix, but the foundation has not explained what triggered the outage, as noted on the incident page stated.
The foundation posted that the network was back and transactions were flowing normally posted. The outage was first confirmed earlier that afternoon confirmed.
Investigators began probing the issue at 2:52 pm UTC and resolved it at 8:44 pm UTC, a span of about six hours. The network returned to full operation after five hours and fifty-two minutes, per the incident timeline reported.
This marked the second major outage since the network launched in May 2023, following a failure in November 2024. The incident interrupted user transactions across the high-speed chain.
Similar high-performance chains have faced outages in the past, though one rival has gone without downtime for about 18 months. That rival’s status account recently urged validators to upgrade to a patched client called.
The SUI token briefly spiked about 4% amid the disruption before settling near $1.84, according to market data data shows. “Transactions are flowing normally. If you are still seeing issues, please refresh your app or browser window,” the foundation wrote posted.

