Sui Mainnet stop afta v1.72 gas-charging bug; SUI drop 6.6%
Sui mainnet stop for 5 hours 55 minutes on May 29, 2026 after v1.72 “gas-charging” logic bug cause validator consensus failure. During the outage, over one-third of validator stake sign different block digests, so certification no fit complete and on-chain checkpoints stop form.
Sui trace the problem to edge-case consensus commit logic. Recovery need manual coordination: validators wipe corrupted consensus data and deploy corrected logic. Before block production resume, more than two-thirds of stake finish emergency upgrade. After chain restart, some nodes reportedly still under degraded performance.
Market impact: SUI fall 6.6% during the stall and briefly trade near $0.90. Trading volume drop about 33% over same 24-hour window, while DeFi activity on Sui freeze and new on-chain actions delayed or blocked. The team say this na the second major Sui outage in 2026, after similar January incident, and dem go publish full post-incident review.
For traders, immediate takeaway be say Sui mainnet stability fit sharply affect by version-introduced consensus/gas logic bugs, which fit translate into temporary liquidity pullbacks and volatility spikes. Long term, the coming review whether “Address Balances”/gas accounting need redesign fit influence expectations for future network safety and upgrade risk.
Bearish
Di outage na be direct consensus failure wey start because of one version-level “gas-charging” bug. For short-term, this kain incident dey normally tighten liquidity, disrupt DeFi flows, and cause more uncertainty about execution and settlement—this fit explain SUI fall 6.6% and ~33% volume drop during the halt. Even after dem fix am, reports say node performance degrade fit make traders dey cautious.
For medium term, market fit reprice Sui upgrade risk until the promised post-incident review clear whether “Address Balances”/gas accounting need redesign or make dem separate am from consensus/epoch transition. Historically, repeated mainnet stalls (dis na the second one for 2026) fit weigh down sentiment and increase chance say people go sell-the-news when future upgrades come.
But the chain return normal and dem fix the problem through coordinated validator action, so downside dey limited if the review confirm say the remediation path clean. Overall, the immediate price impact and risk perception lean negative.