Arbitrum Sepolia Testnet Halts Block Production in Partial Outage

Arbitrum Sepolia, the primary testnet for the leading Ethereum Layer-2, has stopped block production. The network suffered a critical consensus failure at block 204606366, causing a chain split between node operators using different CPU architectures. Developers relying on the testnet for pre-deployment validation are currently stalled as Offchain Labs engineers deploy emergency fixes.Key Takeaways: Consensus Failure…