Lumen

Lumen – RGB Lightning Node Connector

Lumen is a browser extension that connects your browser to an RGB Lightning Node (RLN). It works as a bridge between your node and any dApp that supports the RGB WebLN interface.

Lumen is not a wallet itself — it does not hold your keys or sensitive data. Instead, it lets you use your own RGB LN as a wallet backend, either self-hosted or running on ThunderStack Cloud.

Features

  • Connect to self-hosted or ThunderStack Cloud RGB Lightning Node via HTTP API.

  • Exposes node functionality via RGB WebLN.

  • Manage RGB assets through your browser.

  • Pay and receive invoices.

  • Sign messages.

  • Use WebLN calls in dApps (e.g. rgbInvoice, sendAsset).

  • Non-custodial: your node manages all private state and signing.

Getting Started

Installation

The extension will be available on the Chrome Web Store (link to be added).

For development builds, clone the repository and load the extension manually in your browser.

2. Set Up an RGB LN

You have two options:

  • Run your own node: Install RLN locally, initialize it, and unlock it.

  • Use ThunderStack Cloud: Simplest option — create a node online, which comes with Biscuit authentication enabled by default.

Guide: Create a node on ThunderStack Cloud

3. Get Connection Parameters

Once your node is ready and unlocked, go to the Connect tab in your node dashboard.

You’ll need:

  • Node API endpoint (API URL)

  • Node token (authentication token or Biscuit)

4. Connect in Lumen

  1. Open the Lumen extension.

  2. Enter the API endpoint and token.

  3. Connect.

If successful, your node will show as connected and ready.

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