CoinDesk
Sui Network, the layer-1 blockchain developed by Mysten Labs, hit another mainnet outage on Thursday as transaction processing ground to a halt. The team confirmed the incident on X: "Sui Mainnet is currently experiencing a network stall. The Sui Core team is actively working on a solution. Be aware that transactions may be paused at this time."
This marks the second outage of 2025 for Sui, which has accumulated a track record of degraded performance and technical disruptions since late 2024. The cause had not been disclosed at press time. The native SUI token dropped 8% in the 24-hour window surrounding the incident, even as broader crypto market conditions remained mixed.
The pattern matters beyond the immediate disruption. Sui markets itself as high-performance infrastructure for DeFi and gaming — use cases where uptime is a hard requirement, not a nice-to-have.
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