How do I pair my Ledger device with Crypto.com Onchain Extension?
Learn how to securely pair your Ledger device with Crypto.com Onchain Extension and sign transactions on your desktop device.
Configure your device before establishing a connection:
Install blockchain applications: Install the required apps (e.g., Ethereum, Cronos POS Chain, Cosmos) on your Ledger device via Ledger Wallet Desktop
Enable Blind Signing: Blind Signing is required to successfully approve and send funds
How do I connect a Ledger device to Onchain Extension?
It is crucial to keep your Ledger device unlocked throughout the entire setup, as locking it may interrupt account discovery and require you to restart the process.
In Onchain Extension, tap Add wallet > Connect Ledger Wallet
Alternatively, tap the ‘address’ icon > Wallet Management screen > Add wallet > Connect Ledger Wallet
When prompted, grant device connection permissions. Ensure your Ledger device is unlocked with its cable connected and the Ethereum app opened.
Select your Ledger model from the list and tap Continue
Select the networks you want to integrate (e.g., Ethereum, Cronos POS Chain, Cosmos)
When prompted, open the corresponding app on your Ledger device
Tap Select Accounts, choose the specific addresses you want to manage in Onchain Extension, and tap Connect
Note: To access Cronos, open the Ethereum app on your Ledger device.
How do I authorize a transaction in Onchain Extension?
Ensure Blind Signing is enabled on your Ledger device
In Onchain Extension, initiate the transaction you want to perform (e.g., a token transfer)
Keep your Ledger device unlocked and readily accessible
Confirm the transaction in Onchain Extension
When prompted, confirm the cable connection and open the correct app on your Ledger device (e.g., Ethereum app)
Review the transaction details on your Ledger device and approve the transaction using the physical buttons
Is a bluetooth connection supported for Onchain Extension?
Onchain Extension can only be connected to your Ledger device via a physical cable. To connect via Bluetooth, please use the Crypto.com Onchain mobile application instead.