Skip to content
MCS · Ledger

Ethereum

Ethereum Foundation

Seam
Base layers
Status
Mainnet
Live since
2015
Verified
2026-09-12

Settlement layer for most of the rollups below it, and increasingly little else by design.

Project site ↗

Sourced figures

  • Time to finality13 min

    Seconds until a committed transaction is economically irreversible.

    Two epochs, roughly 12.8 minutes to economic finality.

    Source ↗

Milestones

  • 2025-12-03achieved

    Fusaka — PeerDAS, each full node holds 1/8th of blob data

    Source ↗
  • 2026-01achieved

    Final BPO fork — blobs/block max raised 15 to 21, up to ~60% L2 fee reduction

    Source ↗
  • 2026on-track

    Glamsterdam — fully scoped

    Source ↗

All of The Ledger