Briefly
- A block challenge on Starknet mainnet was recognized early Monday morning.
- The problem led to a pause of Starknet mainnet and an total outage that lasted greater than 4 hours.
- It’s the second hours-long outage for the Ethereum scaling community in the previous couple of months.
Ethereum layer-2 scaling community Starknet is again on-line after struggling a block manufacturing challenge that led to greater than 4 hours of downtime early Monday.
The primary report of gradual block manufacturing passed off simply earlier than 5:00 am ET, in keeping with the community’s standing web page. Round that point, the community’s mainnet block manufacturing was halted as builders investigated the difficulty.
“Starknet mainnet block manufacturing is quickly paused whereas we examine a proving error noticed on a transaction,” a message shared within the community's Telegram group learn. “Out of warning we halted sequencing whereas we confirm chain security and state consistency. Transactions is not going to be processed throughout this era. We’ll share updates as we be taught extra.”
In keeping with one other message within the Starknet Telegram round 7:00 am ET, a bug was recognized and the group started engaged on further testing, validation, and downstream influence evaluation.
Finally, the blockchain was reverted to dam 5187263, and round 9:00 am ET, the incident was resolved and the community resumed operational standing.
“Starknet is again on-line and totally operational. Transactions submitted between 9:24 am and 9:42 am UTC could not have been processed correctly,” the community posted on X. “A retrospective, together with full timeline, root causes, and long-term prevention measures will observe.”
Starknet is again on-line and totally operational. Transactions submitted between 9:24 am and 9:42 am UTC could not have been processed correctly. A retrospective, together with full timeline, root causes, and long-term prevention measures will observe.
— Starknet (BTCFi arc) 🥷 (@Starknet) January 5, 2026
Extra particulars concerning the outage haven’t but been revealed. A consultant for the community pointed Decrypt to the community’s publish on X
Monday’s downtime marks the second operational outage for the layer-2 community in the previous couple of months. Following the community’s Grinta improve in September, Starknet skilled greater than 5 hours of downtime and required two chain reorganizations, which reverted roughly 80 minutes of transactions.
Although primarily often known as an Ethereum scaling community, Starknet added Bitcoin staking to its characteristic set in September, permitting customers to stake the highest crypto asset by market cap natively whereas incomes STRK—its native token—in rewards.
The worth of STRK was not considerably impacted by the downtime, displaying a lower than 1% dip during the last 24 hours to a latest worth of $0.090, nonetheless up about 11% on the week. Ethereum (ETH), in the meantime, is up about 2% on the day to $3,192, rising almost 9% within the final seven days.
