MEV-Boost is an implementation of proposer-builder separation (PBS) built by Flashbots for proof of stake Ethereum. Validators running MEV-Boost maximize their staking reward by selling blockspace to an open market of builders.

MEV-Boost is free, open-source, neutral software built with love, for the community. For information on MEV-Boost software and roadmap, see the MEV-Boost Repository.

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MEV-Boost Quickstart

1. Install the latest version of MEV-Boost

2. Connect MEV-Boost to desired MEV-Boost relays:

   ./mev-boost -mainnet -relay-check -relays relay1,relay2
   

   • Remember to use the appropriate network flag for the specific network and relay URL, e.g. -mainnet, -sepolia or -goerli.

3. Configure a consensus client. Detailed instructions are available on the MEV-boost testing wiki, and guides for connecting the client to mev-boost can be found in the consensus client compatibility table below.

4. Confirm that the setup works by calling the data API to see your validator registration.

Relay List*

For a comprehensive list of relay URL endpoints by network and operator maintained by the community, please refer to:

• Ethstaker URL
• Lido URL

Flashbots Relay URLs

Consensus Client Compatibility 👫

MEV-Boost is designed to be compatible with the standard Ethereum Builder API. This means it is compatible with all consensus and execution clients. You can find guides for installing with your favorite consensus client below!