🚨 L2 Breakdown Alert

🚨 L2s Breaking Down

By Ethereum
Oct 16, 2025, 4:06 PM
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Layer 2 networks are experiencing deployment failures on Ethereum's Sepolia testnet due to EIP-7594 implementation.​

What's happening:

  • Multiple L2s noticed their Sepolia deployments stopped working
  • Root cause: EIP-7594 changed proof formats
  • Issue emerged over the past few days

The fix: All blob originators need to update their systems before Fusaka upgrade arrives.​

Why this matters: This testnet disruption serves as an early warning for the upcoming Fusaka upgrade, which will bring significant changes to Ethereum's data availability layer.​

Sources
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