Coinbase-backed Ethereum layer-2 network Base restarted block production after an approximately two-hour outage caused by an invalid block. The incident marks another disruption for one of Ethereum's largest layer-2 networks following a previous outage in August 2025.

The outage halted block production and transaction processing.
Base has resumed operations with nodes syncing.
Tap a lens to see what this story means for you.
Liked this? The Brief brings you the whole day in tech, verified, every morning.
Two minutes, free forever. What's in The Brief →
See what’s happening right now
The Feed runs all day — short, verified briefs the moment they break.
Open the FeedFollow @thecircuitry_
Every story we publish, as it happens. No noise between.
Reader-supported
The Circuitry is a passion project I've always wanted to build, and I love the work behind it.
Running it costs real money. APIs, hosting, time. To keep improving the site and growing this into something useful for everyone, those costs have to be covered.
Any contribution is appreciated. If not, no pressure. Thanks for reading.
JPMorgan deployed JPM Coin, a token representing dollar deposits at the bank, on Ethereum mainnet on Monday and made it available to institutional clients, the bank said. The move expands the token beyond Base.
MetaMask has begun removing Ethereum validators from Lido after a security incident struck part of its infrastructure. The action is precautionary, with no immediate wallet threat identified and ETH returns possibly taking up to 45 days.
Bitmine Immersion Technologies purchased 28,086 ETH last week, reaching 97% of its goal to hold 5% of Ether's supply with 5.93 million ETH now in treasury. The move comes as the company reports $15.7 billion in assets and $330 million in annualized staking revenue but faces a $5.1 billion unrealized loss on its holdings.
Orange and Sosh subscribers across France lost mobile network and internet service starting around 11:20 to 11:30 a.m. Paris time on October 21, according to Frandroid. Orange confirmed disruptions on its mobile network and said its teams are working to restore service; service began returning for some subscribers around 1:30 p.m., but the outage was not fully resolved. Fiber connections appeared unaffected, according to Frandroid and ZoneADSL, though Orange's 4G/5G home boxes were hit. The company has not given a cause.
Anthropic's Claude service is down worldwide due to authentication system failures affecting multiple products. More than 1,500 reports appeared on Downdetector within minutes on September 29.