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  • INTRODUCTION
  • LEARN
    • Espresso in the Modular Stack
    • The Espresso Network
      • System Overview
      • Properties of HotShot
        • EspressoDA
          • How It Works
      • Interfaces
        • Espresso ↔ Rollup
        • Espresso ↔ L1
        • Rollup ↔ L1
      • Internal Functionality
        • Espresso Node
        • Light Client Contract
        • Fee Token Contract
        • Stake Table
          • How the Stake Table Contract Works
        • Smart Contract Upgradeability
    • Rollup Stacks
      • Integrating a ZK Rollup
        • ZK Rollup Architecture
        • Using Espresso
        • Summary of Changes
      • Integrating an Optimistic Rollup
        • Optimistic Rollup Architecture
        • Using Espresso
        • Summary of Changes
  • Guides
    • Using the Espresso Network
      • Integrating Arbitrum Orbit Chain
        • Quickstart with Arbitrum Nitro Rollups
        • Reading Confirmations from the Espresso Network
        • Arbitrum Nitro Integration Overview
          • Using TEE with Nitro
          • Arbitrum Nitro Trust & Liveness Dependencies
        • Migrating Arbitrum Orbit Chains to Espresso
          • Arbitrum Testnet
            • Nitro Testnet
            • Local Deployment (`docker compose`)
      • Using the Espresso Network as a Cartesi application
    • Running an Espresso Node
    • Running a Builder
    • Bridging with the Espresso Network
  • API Reference
    • Espresso API
      • Status API
      • Catchup API
      • Availability API
      • Node API
      • State API
      • Events API
      • Submit API
    • Builder API
  • Releases
    • Mainnet 1
      • Running a Mainnet 1 Node
      • Contracts
      • Rollup Migration Guide
    • Mainnet 0
      • Running a Mainnet 0 Node
      • Contracts
    • Testnets
      • Decaf Testnet Release
        • Running a Node
        • Contracts
      • Cappuccino Testnet Release
        • Running a Node
        • Deploying a Rollup on Cappuccino
        • Benchmarks
      • Gibraltar Testnet Release
        • Interacting with Gibraltar
        • Arbitrum Nitro integration
        • Deploying a Rollup on Gibraltar
      • Cortado Testnet Release
        • Interacting with Cortado
        • OP Stack Integration
          • Optimism Leader Election RFP
      • Doppio Testnet Release
        • Interacting with Doppio
        • Polygon zkEVM Stack Integration
        • Minimal Rollup Example
        • Benchmarks
      • Americano Testnet Release
  • Appendix
    • Interacting with L1
      • Trustless Sync
      • Fork Recovery
      • Bridging
    • Glossary of Key Terms
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  1. Releases

Mainnet 1

Espresso Mainnet 1 release

PreviousBuilder APINextRunning a Mainnet 1 Node

Last updated 3 days ago

Mainnet 1 upgrades the Espresso network to support permissionless participation through delegated proof of stake.

The upgrade goes live on April 18, 2025. Mainnet upgrade will follow, date to be announced.

Decaf testnet