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30 May 2026, 05:31

Sui mainnet suffers two outages in two days as gas logic bug stalls transactions

The mainnet of Sui faced two interruptions in the span of just 48 hours due to a software issue with its v1.72 version, causing a problem in transactional activities and epoch transitions. According to the Sui Network’s official status update on X, the disruptions were traced to a gas accounting issue introduced in the v1.72 upgrade involving the interaction between the new Address Balances feature and existing gas fee logic. The failure affected validator consensus during epoch transitions, temporarily preventing transaction finality across the network. Sui stalls twice after v1.72 upgrade Sui first experienced a full mainnet stall on May 28, 2026, when a bug in the v1.72 release caused validators to stop processing user transactions. According to Sui’s status page, the outage lasted 5 hours and 55 minutes before service was restored after a coordinated validator upgrade exceeded the threshold required for recovery. The network resumed operations before stalling again on May 29 during an epoch transition process. Validators were unable to finalize a consistent network state, resulting in another interruption to transaction processing. Later on, Sui admitted that the second outage was as a result of the same core problem of how Address Balances works together with the gas fee structure. The team mentioned that the first solution was only temporary and failed to solve the clash. The outages occurred as a result of changes introduced by the v1.72 update. According to Sui, the new Address Balances feature unexpectedly interacted with existing gas accounting logic during epoch transitions, creating a consensus-level failure that prevented validators from agreeing on the next network state. Although validators remained online and continued internal system activity, they were unable to finalize user transactions until emergency fixes were deployed. During the first outage, the network remained stalled until more than two-thirds of staked validators upgraded their software and restored consensus. SUI price falls as users face delayed transactions Market data collected from large exchanges indicated that SUI was trading at around $0.91-$0.92 on May 29th, which translates to about a 7%-8% drop in price for the day. SUI price chart | Source: TradingView Trading activity increased during the outage as users reacted to halted network operations and delayed transaction confirmations. Though user balances stayed intact on the blockchain network, operations were interrupted, such as slow token transfers, paused DeFi transactions, and inability to transact NFTs and trade. The incidents highlighted execution risks for traders and DeFi users who rely on timely transaction settlement. Sui faces its second major disruption of 2026 The outages in May were the second time in the year Sui experienced a major network failure. During January 2026, there was a different kind of issue with the consensus that caused an outage lasting about five to six hours due to validators failing to validate new checkpoints. While the January and May incidents had different technical causes, both required coordinated validator intervention to restore normal operations. Sui confirmed on May 30 that the network had returned to normal operations after validators applied an emergency fix. According to the team, a full post-incident review will be published soon, outlining the interaction between the Address Balances feature and gas accounting during epoch transitions. Now, developers are observing if there is a need to redesign the feature, if gas accounting needs more separation from the consensus process, and what other measures are required to avoid such epoch transition issues in the future. Don’t just read crypto news. Understand it. Subscribe to our newsletter. It's free .

30 May 2026, 02:03

SUI crashes 8 percent after 6 hour network outage

🚨 Sui Network froze for six hours, triggering an instant 8 percent slide in $SUI prices. All block production halted and users could not send transactions or use apps. 🧐 Critical point: This marks the third major Sui outage this year, raising questions over upgrade safety and validator coordination. Continue Reading: SUI crashes 8 percent after 6 hour network outage The post SUI crashes 8 percent after 6 hour network outage appeared first on COINTURK NEWS .

29 May 2026, 20:25

Sui halts block production twice in 2 days for 9.5 hours

🚨 Sui stopped block production for 9.5 hours across two days. Both outages were caused by software and validator errors in $SUI. Continue Reading: Sui halts block production twice in 2 days for 9.5 hours The post Sui halts block production twice in 2 days for 9.5 hours appeared first on COINTURK NEWS .

29 May 2026, 16:13

Sui Network Encounters Successive Outages With Reliability Concerns As Scaling Push Continues

The Sui blockchain network is facing increased scrutiny following two consecutive days of mainnet outages, which raises serious questions about the network’s operational reliability at a critical time in its expansion. The primary communication channel for the network confirmed there were serious outages, forcing the mainnet to suspend activity and disrupt transaction flow. Such network activity may be paused due to ongoing technical issues, read a status update from the team. The event was designated a “Major Outage” by Sui Status and traced to faults occurring in the settlement mechanisms of its mainnet. Sui mainnet is currently experiencing a network stall. Network activity may be paused at this time. The Sui Core team is actively investigating. Updates and incident review will be shared as soon as they are available. — Sui (@SuiNetwork) May 29, 2026 Block explorers worldwide showed just how bad the outage was during its peak, no new blocks were mined for more than an hour, effectively bringing the chain to a standstill, blocking users from performing transactions. These types of halts highlight the obstacles new networks face, especially when it comes to maintaining security with increasingly complicated and constantly changing tech stack in a network planning to serve as a layer-1 high-performance solution. Initial Outage Tied to Bug in Gas Logic New Release The first significant outage was on May 28 when the Sui network halted for around five or six hours. One of the incidents was subsequently traced back to a bug in the gas charging logic within the 1.72 network release that had been newly deployed, which caused a crash-inducing error to occur. Activity on Sui mainnet has resumed after a halt due to a crash bug in the gas charging logic introduced by the 1.72 release. A full incident review will be shared in the coming days. — Sui (@SuiNetwork) May 28, 2026 This bug affects the foundations on which blockchain naturally operates, namely how transaction fees are processed & calculated. If the gas logic does not work, consensus protocols may fail as validators are unable to consistently process transactions thus halting block production altogether. Software updates are critical to improving performance and user experience, but with them, there will always be risks attached. But in this case the update seems to have had some pretty nasty unintended consequences that reverberated through the core processes of the network. It also points out a wider problem around blockchain development, a deployment that behaves as expected in test environments with no value moving, and can react quite differently when live economic activity is taking place. Second Outage Adds To Growing Stability Concerns Crisis The second, shorter outage followed on May 29, just one day after the first. While not as deep some of those events were more back-to-back, exacerbating concerns in the community. Multiple outages in short succession result in more rapid confidence loss than stand-alone ones. As with all developers building on the platform, infrastructure consistency is important; as for users, reliability is a given. The second outage was shorter but it was nevertheless a reminder the system remained vulnerable nearly two months after that initial breakdown. Funds Are Safe — Network Recovery Confirms Regardless of those interruptions, Sui confirmed that regular operations of the full network have resumed and there was no risk to user funds at any point. Most importantly no assets were lost during either down time, a vital source of comfort to both retail consumer and institutional players. The network’s halting mechanism against an unsafe state operated as intended. Instead of letting your transactions go through when they should not (or a new invalid transit between nodes) it basically held you up until all is back in order. This method demonstrates a conscious prioritization of security at the expense of uninterrupted uptime, a compromise that most modern blockchains navigate. Sure, outages can disrupt service but protecting users’ assets is the most important. The Sui team has also promised to publish a detailed post-mortem report in the next few days, which is likely to provide insight into the root causes and preventive measures. Questions on Reliability As Adoption Grows These outages mark Sui’s second major downtime in 2026, after reaching around six hours of downtime earlier this January. While broader adoption from both decentralized finance (DeFi) and gaming sectors remains the goal, a growing number of reliability concerns can no longer be ignored by anyone but ardent diehards. The general idea behind high-performance blockchains, however, is that they generally run near the technical limits, pushing the boundaries of speed, throughput and scalability. The downside of this kind of optimizations is that they can make code more convoluted, and thus lead to increased sensitivity for bugs and edge cases. The main issue for Sui is managing the fine line between innovation and running a safe operation. With your applications deploying in ever-greater volume and user activity increasing, costs of downtime start to skyrocket. Predictable infrastructure is required by developers, and seamless interactions are expected by users. Even with a bag in hand, repeated outages can drive the decision of where developers build and what liquidity flows through the ecosystem. Growing Pains Or Structural Challenge For High-Performance Chains? But above all, the recent outages bring forward a more general question on what next-gen blockchain design is sacrificing. Are these disruptions the birth throes of something much larger and scalable, or do they highlight systemic weaknesses? This challenge has historically also faced many ultra-high-performance networks as they first adopted. Fast iterations, constant software updates and difficult-to-execute environments all lead to the situations where bugs are able to get through into live systems. At the same time, a constant uptime is an important metric that remains vital for long-term success. Rival platforms are constantly improving and reliability, and users have no patience for repeated outages. The months ahead will prove crucial for Sui. Confidence can only be restored by a clear post-mortem response and strong rectifications, while operations keep running steadily. The technology has a lot of promise, and the ecosystem keeps expanding; still, reliability is baseline, not a feature in a competitive blockchain space. Given Sui’s aggressive push into DeFi and gaming, the ability to maintain 100% uptime may be an important predictor of how quickly the network can gain traction. Disclosure: This is not trading or investment advice. Always do your research before buying any cryptocurrency or investing in any services. Follow us on Twitter @nulltxnews to stay updated with the latest Crypto, NFT, AI, Cybersecurity, Distributed Computing, and Metaverse news !