Sui Community Hit by Third Transaction Halt in 48 Hours

Sui Community recorded its third transaction processing disruption in roughly 48 hours on the mainnet on Might 29, when a problem through the epoch transition prompted the community to quickly reject consumer transactions. Based on updates from Sui, the incident occurred following a collection of patches associated to a gas-charging logic bug within the v1.72 launch, elevating considerations in regards to the stability of this Layer-1 as DeFi and stablecoin actions on the community proceed to increase.

By the tip of Might 29 PDT, Sui said that the mainnet was again on-line and transactions had been being processed usually. Nonetheless, the Sui Standing web page nonetheless famous that validator participation had not absolutely stabilized following the “Mainnet settlement” incident.

Incident Timeline

• Might 28, 07:15 PDT: Sui Standing recorded the “Mainnet settlement” incident and said that the mainnet was experiencing a disruption whereas the Sui Core crew investigated the trigger. 
• Might 28, 13:32 PDT: Sui said that greater than 2/3 of the stake had upgraded to the patch, serving to the mainnet resume operations after the incident associated to the gas-charging logic within the v1.72 launch. The primary disruption lasted almost 6 hours.
• Might 29, 08:43 PDT: Sui continued to report a brand new halt. Based on a subsequent replace, greater than 2/3 of the stake had upgraded to the subsequent repair, and the community resumed. GNcrypto famous that block manufacturing throughout this era was paused for about 3 hours and half-hour.
• Might 29, 13:57 PDT: The third disruption appeared through the epoch transition. Sui Standing said that validators had been nonetheless ready to finish the epoch change and had been solely processing system transactions, whereas consumer transactions weren’t but accepted.
• Might 29, 19:32 PDT: Sui said that the community had superior to epoch 1143 and was again on-line. Nonetheless, validator participation was nonetheless marked as degraded on Sui Standing.

Technical Trigger

Sui said that the incidents on Might 28 and Might 29 had been associated to the interplay between the v1.72 launch, the Tackle Balances function, and the brand new fuel calculation logic. Following the halt on Might 29, the venture mentioned the earlier short-term patch had a low-probability subject that would trigger the community to proceed halting transaction processing earlier than validators deployed a long-term resolution.

Sui mainnet is again on-line and transactions are flowing usually.

The top of epoch halt was triggered through the rollout of yesterday’s long-term repair. As validators restarted to deploy the brand new binary, the randomness initialization that runs initially of every epoch was unable…

— Sui (@SuiNetwork) Might 30, 2026

The third disruption occurred through the epoch transition whereas validators had been rolling out the long-term repair. Based on Sui, a bug through the randomness initialization in the beginning of the epoch, mixed with the best way the error state was retained throughout validator restarts, prevented the community from finishing the transition to the subsequent epoch.

Sui has not but revealed a full postmortem, so there’s at present no foundation to conclude whether or not this collection of disruptions is a safety flaw or a long-term design subject of the community.

Market and Consumer Affect

The collection of halts meant that consumer transactions on the Sui mainnet might be delayed or unconfirmed, affecting token transfers, swaps, deposits, and asset withdrawals from DeFi purposes. The clearest impression appeared when validators solely processed system transactions whereas the community waited to finish the epoch change.

SUI worth chart (4h). Supply: TradingView

On the time of recording, SUI was buying and selling round $0.090-$0.92 whereas the mainnet incidents had been being broadly mentioned. DeFiLlama information confirmed that Sui had roughly $527.91 million in TVL and $459.25 million in stablecoin market cap, reflecting the size of the ecosystem that might be affected when the mainnet experiences consecutive disruptions.

This incident occurred simply over every week after Sui introduced gasless stablecoin transfers on Might 20, a protocol-level change that permits customers to switch sure supported stablecoins without having to carry SUI to pay for fuel charges.

What to Watch Subsequent

After three disruptions inside 48 hours, the problem with Sui isn’t just a technical bug but additionally the reliability of the community as a settlement layer for DeFi and stablecoin funds. The consecutive collection of halts will draw extra consideration from the market and builders to how Sui assessments releases, coordinates validators, and handles errors whereas the mainnet is working.

Within the rapid time period, the purpose to look at is when the “Mainnet settlement” incident is marked as resolved on Sui Standing and validator participation returns to a totally operational state. Subsequent updates from Sui or Mysten Labs, if any, will even function a foundation to evaluate whether or not the community will change its rollout course of after the incident.

As soon as the community stabilizes, TVL, DEX quantity, and stablecoin switch exercise will present whether or not the incident has an enduring impression on liquidity and utilization on Sui.