Ethereum's Fusaka Upgrade Targets December 3 Launch with PeerDAS Innovation

馃殌 Fusaka's December Surprise

By DIA DAO | Open-Source Oracles for Web3
Oct 30, 2025, 3:36 PM
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Ethereum's Fusaka upgrade launches December 3, addressing crypto's biggest bottleneck: data availability for Layer 2s.​

Key Innovation: PeerDAS (EIP-7594)

  • Validators sample small data chunks instead of downloading full blobs
  • Each node checks ~1/8th of data while maintaining security
  • Drastically reduces bandwidth and storage requirements

Major Changes:

  • Gas limit increases from 45M to 60M
  • Blob capacity expansion through new Parameter-Only forks
  • Hardware requirements stay manageable for validators

Impact on Layer 2s:

  • Arbitrum, Optimism, Base can batch more transactions per blob
  • Lower data posting costs = reduced user fees
  • 10x throughput potential without overloading nodes

Additional Features:

  • Preconfirmations through deterministic proposer lookahead
  • Hardware wallet integration via Apple Secure Enclave
  • Passkey support for Ethereum accounts

Testing Timeline:

  • Holesky testnet: Live
  • Sepolia testnet: Live
  • Hoodi testnet: October 28
  • $2M bug bounty for security researchers

Fusaka represents the infrastructure foundation for Ethereum's rollup-centric roadmap at scale.​

Full details

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