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Dora the Beaconchain Explorer

Dora is a lightweight web-based explorer for Ethereum Beacon Chain data, including slots and chain state. It retrieves most information from a standard beacon node API and can run without mandatory external dependencies.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Dora the Beaconchain Explorer — OpenViST project profile in Explorers & Analytics.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Dora when the task is exploring Ethereum Beacon Chain data or providing a lightweight viewer connected to a standard beacon node API.

Who it is for

  • People exploring Ethereum Beacon Chain slots and state.
  • Operators who want to host a beacon-chain explorer backed by a standard beacon node API.
  • Developers setting up a local Ethereum testnet with a Dora instance.

Documented uses

  • Inspect data from the Ethereum Beacon Chain.
  • Run an explorer connected to a beacon node API.
  • Use a listed Dora instance to explore Holešky, Sepolia or Ephemery testnet data.
  • Start the repository’s documented local testnet development environment.
Before you choose

Requirements & limits

  • Most explorer information is loaded directly from a standard beacon node API.
  • The project has no mandatory external dependencies and can run in memory.
  • PostgreSQL is recommended for better performance.
  • The repository is written in Go and licensed under GPL-3.0.
  • The README lists public instances for Holešky, Sepolia and Ephemery.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Start Dora’s local Ethereum testnet development environment

Launch a development testnet with a locally built Dora instance.

Before you start

  • Docker
  • Kurtosis
  • A cloned Dora repository

Steps

  1. Install Docker and Kurtosis.

  2. Clone the Dora repository.

  3. Run the command below from the repository.

    Documented command
    make devnet-run

Expected outcome

The command starts a Kurtosis testnet with multiple client pairs and a local Dora instance.

Guide limitations

  • This is a development setup, not a general production deployment guide.
  • The README does not provide the full configuration procedure; it points to the project wiki.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
12 October 2026
Original website title
ethpandaops/dora · Official homepage title · retained in its source language
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