[Ethereum] – Fusaka Upgrade Sepolia Testnet

Scheduled for Oct 14, 12:00 - 18:00 UTC

Scheduled

Ethereum Sepolia Testnet will undergo the Fusaka Upgrade on October 14, 2025 @ 14:00 UTC.
We expect downtime of up to 30 minutes as a result of the network upgrade.

Notable EIPs included:
• EIP-7697: PeerDAS (Peer Data Availability Sampling)
• EIP-7762: Increased blob capacity and improved data propagation
• EIP-7732: Execution layer separation improvements (Builder/Proposer flow updates)
• EIP-7680: Beacon root in execution payload (enhanced consensus-execution linkage)

You can find the full list of changes included in the Fusaka upgrade here:
🔗 https://ethereum.org/roadmap/fusaka

We do not anticipate any unexpected downtime other than mentioned above.
If you have any questions or concerns, please reach out to your Customer Success Manager.

Posted Oct 07, 2025 - 00:11 UTC

This scheduled maintenance affects: Staking Reporting API (Ethereum Staking Reporting), Staking API (Ethereum Staking API), Blockdaemon RPC API (Ethereum Native API), Blockdaemon Validators (Ethereum Validators), and Protocols (Dedicated Nodes) (Ethereum).