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Cronos POS Chain ( Chain) (CRO)

This article explains how to create a Cronos POS Chain (CRO) account with your Ledger device and Ledger Live.

 Looking for Cronos?

Before you start

  • Open Ledger Live, connect your Ledger device to My Ledger and make sure your device is running the latest firmware version.
  • If your Ledger device needs a firmware update, please update your Ledger Nano SNano S Plus / Nano X.

Install the Chain (CRO) app on your Ledger device

  1. Open Ledger Live and go to the 'My Ledger' section.
  2. Connect and unlock your Ledger device.
  3. If asked, allow Ledger Live to access your device.
  4. Type Chain (CRO) in the app catalog.
  5. Click the Install button of the app.


  'Expert mode' for Cronos POS users

Cronos POS chain users may need to activate 'Expert Mode' in the Chain app settings directly on their Ledger device. To do this, open the Chain app on your Ledger device. Once ' ready' is displayed on your device's screen, use the right navigation button to find 'Expert Mode' and then press the button to enable it.


Add a Cronos POS Chain (CRO) account to Ledger Live with your Ledger device

  1. In the left sidebar menu, go to Accounts.
  2. Click Add account.
  3. Choose Cronos POS Chain (CRO) from the drop-down list.
  4. Click Continue.

  5. Connect your device to Ledger Live and unlock it. Ledger Live will start the process of creating your account.
  6.  Click on 'Add account' to finalize the process.

Receive CRO coins via
  1. In the left sidebar menu, click Receive.
  2. In the drop-down list, select CRO and click Continue.
  3. Connect your Ledger device to Ledger Live and unlock it.
  4. Select the Cronos POS Chain app on your device and press both buttons simultaneously to open it. The address will be displayed on your device and in Ledger Live.
  5. Verify that the address shown on your device matches the address displayed in Ledger Live.
  6. If they match, approve the address on your device—press the right button on your device until you see Approve. Click both buttons simultaneously for approval.
  7. Copy the address and share it with the sender. Ensure that the address does not change after you copy/paste it.
Send CRO coins via

You can send CRO from your account, using a Ledger device to verify and approve transactions.

  1. In the left sidebar menu, go to Send.
  2. From the dropdown menu, select your Cronos POS Chain account.
  3. Enter the recipient address. Double-check the address and click Continue.
  4. Enter the amount you want to send.
     If you're sending CRO to an exchange, you need to add a memo tag. Learn more


    You can find the memo in your Cronos POS Chain account on the exchange. 

  5. Check the transaction summary—Amount, Network fees, and Total to debit—and click Continue.
  6. Confirm and approve the transaction on your Ledger device—press both buttons simultaneously to Approve. Press both buttons simultaneously to Accept and send the transaction.

The transaction is sent. Your account balance will be updated when the blockchain confirms the transaction. 

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