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 (opens in a new tab) 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. In this integration, 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: