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 * Guides
   * Introduction
   * Using the Espresso Network
      * Bridging with the Espresso Network
      * Using the Espresso Network as an Arbitrum Orbit chain
      * Using the Espresso Network as a Cartesi application
      * Using the Espresso Network as an OP Stack chain
      * Using the Espresso Network as a Polygon CDK chain
   
   * Running an Espresso Node
   * Running a Builder
 * Integrating a Chain
   * Introduction
   * Integrating a ZK Rollup
      * ZK Rollup Architecture
      * Using Espresso
      * Summary of Changes
   
   * Integrating an Optimistic Rollup
      * Optimistic Rollup Architecture
      * Using Espresso
      * Summary of Changes
 * Espresso Architecture
   * The Espresso Network
      * System Overview
      * The Global Confirmation Network
      * Espresso in the Modular Stack
      * Properties of HotShot
         * Espresso DA (Tiramisu)
            * How It Works
            * Glossary of Key Terms
     
      * 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
 * API Reference
   * Espresso API
      * Status API
      * Catchup API
      * Availability API
      * Node API
      * State API
      * Events API
      * Submit API
   
   * Builder API
 * Releases
   * Mainnet 0
      * Running a Mainnet 0 Node
   
   * Testnets
      * Decaf Testnet Release
         * Running a Node
     
      * 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

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INTRODUCTION

Get started with the Espresso Network here

The Espresso Network is currently in its Mainnet 0 release and supports
applications by providing the following functionality:

 1. Fast confirmations: HotShot, the consensus protocol used by the Espresso
    Network, confirms transactions within a few seconds. This enables bridges to
    move assets from chains integrated with Espresso at high speeds with minimal
    risk. Chains can maintain a centralized sequencer while opting in to
    Espresso for stronger confirmations.

 2. Decentralized sequencing: 100 nodes will be running the Espresso Network in
    a decentralized manner during Mainnet 0. Rollups can opt into having their
    transactions sequenced by this group of 100 nodes, instead of using their
    own centralized sequencer. We plan to quickly scale the number of
    participating nodes and enable permissionless proof-of-stake-based
    participation following the Mainnet 0 release.

 3. Low-cost data availability: Espresso offers applications a cheaper
    alternative to Ethereum for DA. Any integration with Espresso can take
    advantage of Espresso's strong data availability guarantee to improve its
    scalability.

Chains and applications can quickly get started with using Espresso following
these general integration steps. For the easiest deployment experience, we are
also actively contributing to integrations for the following stacks:

 * Arbitrum Orbit chains

 * Cartesi applications

 * OP stack chains

 * Polygon CDK

If you don't see your stack listed above, or if you'd like to help improve our
current integration work, please get in touch with us here! You can also explore
our high level integration guides if you'd like to start working on your own
integration.

 * ZK rollup

 * Optimistic rollup

If you're a chain or application looking to enable faster bridging using
Espresso confirmations, click here.

To learn more about the inner workings of the Espresso Network, please read this
section of the docs.

In our documentation we generically refer to chains, rollups and L2s, but
Espresso supports any kind of application that requires fast confirmations,
transaction ordering, and/or data availability.

NextUsing the Espresso Network

Last updated 3 days ago

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