![[aggregator] downloaded image for imported item #3760](https://lykcrypto.com/wp-content/uploads/2026/01/052ce911a41a7adc03b30f13390d959336c9c108-1920x1080-1.jpg "Starknet back online after four-hour outage, warns some transactions may be affected")
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Starknet said X that service has been fully restored following a four hour outage earlier on Monday, adding that some transactions submitted during a narrow window may not have been processed correctly.
“Starknet is back online and fully operational,” the team behind the Ethereum layer-2 network posted on X. The team warned that transactions were sent between 9:24 a.m. and 9:42 a.m. UTC could have been affected, and said a full retrospective, including a detailed timeline, root cause analysis and long-term prevention measures, will be published at a later date.
STORY CONTINUES BELOW
Downtime can have knock-on effects across decentralized finance and other onchain applications, including stalled swaps, delayed withdrawals and difficulty updating positions. It can also disrupt sequencer-based networks, where transaction ordering and block production depend on a smaller set of operators than on Ethereum itself.
CoinDesk reached out to the team for comment but did not hear back in time for publication.
The price of its native token, STRK, remains little changed according to CoinMarketCap, up at just 1.92% over the last 24 hours.
UPDATE (JAN 5, 2026 – 16:11 UTC): Updates story to reflect that the outage has ended.