Info note

⚠️

LedgerJS Transport libraries will soon be deprecated.

For any new project, we recommend you use the new Device Management Kit.

For existing projects, you can still access the LedgerJS documentation but we recommend that you consider updating your integration.

Languages

Type of App	Required skills
Web App	JavaScript
Mobile App	React Native
Desktop App	Electron/Node.js

Prerequisites

Summary

To connect your app you will need to install:

Node (for Desktop apps) and NPM
Ledger Live
The Ledger Embedded App of the coin that you are going to use (to use this documentation you will need Bitcoin, Ethereum and Solana)
At least one account for each coin (except for Solana).

Node and NPM

If not already installed, install Node & npm, choose the LTS version of your operating system. You can check if you have it installed by checking the version with the following commands:

$ node -v
v20.9.0

$ npm -v
10.5.0

The commands should print the versions of Node.js and npm accordingly. Ensure Node.JS is 20.9.0.

Ledger Live Installation

Now that node and npm are installed, you have to install the Ledger Live desktop application to connect your Ledger device. After the installation, open Ledger Live and go to the Manager tab.

Fig. 1: Ledger Live Prerequisites

Then connect your Ledger Nano to your computer and unlock it.

Then Ledger Live will ask you to allow the Ledger device, just press the two buttons simultaneously to allow it.

*Fig. 4: Ledger Live Notification on Ledger Device*

Embedded App Installation

Now you can install the Ethereum and bitcoin application into your Ledger Nano S/X/S Plus, as in the tutorials and walkthroughs, we will use the Ethereum and Bitcoin application.

Fig. 5: Ethereum App Installation

Account Creation

To use the Bitcoin/Ethereum Embedded Apps you have to create a Bitcoin/Ethereum account. We will present there the creation of a bitcoin account but it is the same for any application supported by Ledger Live.

To create your Bitcoin account:

Launch the Bitcoin application on your Ledger Nano S/X/S Plus
Open the Bitcoin app on your ledger device

Create an account by going to the Manager tab and click on Add account.

Fig. 8: Bitcoin App Add Account

Click on Add account button.

Fig. 9: Bitcoin Account Creation

Your account is created.

Fig. 10: Bitcoin Account Selection

You have now a secured bitcoin account on your Ledger Device, congratulations!

Fig. 11: Bitcoin Account Created

Differences with LedgerJS Transfer of Ethers between accounts