Ethereum's Fusaka Upgrade Goes Live with 13 EIPs on Mainnet

🚀 Fusaka drops 13 EIPs

By Ethereum
Dec 4, 2025, 4:22 PM
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Ethereum's Fusaka upgrade is now live on mainnet after activating at epoch 411392 on December 3rd at 21:49 UTC.​

The upgrade implements 13 Ethereum Improvement Proposals (EIPs) that bring significant scaling and user experience improvements:

  • PeerDAS unlocks 8x data throughput for rollups, enabling cheaper blob fees and faster confirmations
  • R1 curve support enables mobile-native passkeys and simpler signatures for better wallet UX
  • Based pre-confirmations reduce transaction latency from minutes to milliseconds
  • Gas limit increase from 45M to 60M expands network capacity
  • New per-transaction gas cap of 2^24 requires developer attention

Key upcoming dates:

  • BPO1: December 9th
  • BPO2: January 7th

Community members continue monitoring the network for any issues over the next 24 hours following the successful activation.​

Sources

Join the @ethStaker community to watch the Fusaka Mainnet upgrade go live. Discuss secure scaling, PeerDAS, and the next era of onchain growth with core researchers before the fork hits at ~21:49 UTC. Today at 21:20 UTC.

EthStaker 🦇🔊
EthStaker 🦇🔊
@ethStaker

Today Ethereum forks to Fusaka! 🦓 Join the Community Watch Party at 21:20 UTC (4:20pm ET) to - hear about what's new in Fusaka - watch the fork (21:49 UTC) - get ready for what's coming in Glamsterdam - and collect POAPs for being part of history! livestream link below ↓

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1/ Fusaka is coming December 3rd. Ethereum’s next major upgrade shows that the network can grow to meet global demand, without compromising on decentralization or permissionlessness. Whether you’re a user, builder, institution, or operator, here’s how Fusaka will impact you.

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