Sui Mainnet Experiences Outage, Disrupting dApps and Transactions

Sui Mainnet Experiences Outage, Disrupting dApps and Transactions

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.

SUI

Summary

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.

Terms & Concepts
  • Mainnet: The primary and fully operational version of a blockchain where real transactions occur and where dApps run.
  • dApps: Decentralized applications that run on blockchain networks without centralized control.
  • Consensus Bug: A flaw in a blockchain's consensus mechanism that can disrupt agreement between nodes, halting transaction processing or network activity.