Sui network temporarily stalls again after Thursday's outage

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Sui's mainnet validators experienced disruptions on both Thursday and Friday. Source: Sui The last block before the disruption was produced at about 11:51 UTC on Friday, according to the Suiscan block explorer. Network activity on the Sui mainnet resumed at about 3:30 UTC. The Sui team said in an update: “Both today’s and yesterday’s halts are due to the interaction of the 1.72 release, which introduced address balances and gas charging logic. Yesterday’s implemented fix was an interim measure designed to restore functionality to the network.” The interim fix had a “low probability” of causing a network disruption, and the long-term software fix has now been implemented by a majority of Sui validators. Source: Sui The incident follows several major disruptions and network outages, including Thursday's outage, which caused a nearly six-hour outage due to a “crash bug in the gas charging logic,” according to the team. The crash was the second major network disruption in 2026. Related: SUI spikes 50% amid staking moves, zero-fee stablecoins, privacy push In January, the network went offline for over six hours, halting block production due to a consensus bug. Validators submitted conflicting transactions to the protocol’s checkpoint mechanism, and the network was unable to reach the necessary threshold for consensus, according to the post-mortem report. Source: Sui January’s disruption was not caused by network congestion, user funds were “never at risk,” and no “certified transactions” were rolled back, the Sui team said at the time. “The issue was detected and contained by Sui’s checkpoint certification and quarantine mechanisms, which prevented any user-visible fork at the cost of halting progress,” according to the post-mortem report. High-throughput smart contract blockchain networks feature several layers, including data availability, transaction execution and validator consensus, which introduce more potential points of failure. However, network outages in crypto also impact centralized service providers, including exchanges, which have fewer coordination challenges than decentralized blockchain networks. In May, crypto exchange Coinbase suffered a temporary service disruption due to an Amazon Web Services (AWS) outage, forcing it to switch markets to an "auction" mode before restoring full service. Magazine: AI-driven hacks could kill DeFi — unless projects act now More on the subject

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