WuBlockchain
Sui's mainnet stopped accepting user transactions for roughly two days after problems surfaced during an epoch transition, the team confirmed in its weekly status note. The chain has since resumed, but the outage is the largest unplanned stoppage on Sui since mainnet launch and adds a fresh data point to the ongoing conversation about validator-client reliability on non-EVM chains.
Why it matters
A multi-day halt on a top-20 L1 is rare and costly — bridges, CEX withdrawals, and DeFi front-ends all depend on the chain producing blocks on schedule. For Sui specifically, the failure came during a routine validator-coordination step, the kind of event networks are supposed to absorb silently, which is why the duration stands out more than the cause.
Market impact
Base separately activated the Azul mainnet upgrade this week, a planned hard fork targeting throughput and sequencer efficiency for the Coinbase-incubated L2. Aave's governance forum picked up a proposal to standardize asset-listing rules across deployments, the kind of unglamorous framework work that compounds over time. Separately, Ondo Finance founder Nathan Allman passed away unexpectedly, a human-interest line that the wider RWA sector noted on social channels.
Source: [Weekly Project Updates: Sui Mainnet Suffers Two-Day Outage, Base Activates Azul Mainnet Upgrade, Aave Proposes Standard Asset Listing Rules, etc — Wu Blockchain](https://wublock.substack.com/p/weekly-project-updates-sui-mainnet)
Frequently asked questions
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Why did the Sui mainnet stop working for two days?
The Sui team said the halt stemmed from problems during an epoch transition, a routine validator-coordination step. The chain has since resumed block production.
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How long was the Sui mainnet outage?
Roughly two days, per Sui's weekly status note. It is the largest unplanned stoppage on Sui since mainnet launch.
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What is Base's Azul mainnet upgrade?
Azul is a planned hard fork on the Base L2, activated this week. It targets throughput and sequencer efficiency for the Coinbase-incubated network.
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What did Aave propose regarding asset listings?
Aave's governance forum opened a proposal to standardize asset-listing rules across Aave deployments — framework-level work aimed at making new listings more consistent.
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Who was Nathan Allman at Ondo Finance?
Nathan Allman was a founder of Ondo Finance, the real-world-asset protocol. He passed away unexpectedly, according to the weekly roundup the sector noted on social.
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