
Sui’s Jan. 14 outage was caused by a consensus bug halting activity for six hours, though user funds remained secure according to the project’s post-mortem.
On January 14, Layer-1 blockchain Sui experienced a six-hour mainnet outage due to a consensus bug, according to a post-mortem from the development team. The disruption halted transactions and affected dApps such as Slash and SuiScan, though no user funds were lost. Developers confirmed that activity resumed after identifying and addressing the bug.