Ledger

JVD and coins on JVD are supported by the Ledger Nano S hardware wallet. The following describes how to use Ledger Nano S to connect to JVD

Requirements

• A Ledger Nano S hardware wallet with latest firmware.
• Latest version of JVD app installed
• An internet connection and an available USB port. Use an adapter for USB-C ports
• U2F compatible browsers: Google Chrome, Opera, FireFox, Brave

App Installation Instructions

Tip

The existing JVD App is compatible with JVD

1) Plug in and unlock your Ledger device, open Ledger Live on your computer, then open the "Manager" panel.

2) Within the "Manager" pane, type in "JVD" in the search field. Locate "JVD", then click on "Install". (Note: Do not use the "JVD" App)

3) The JVD app will now install on your Ledger device.

Enabling contract data for EGCR2

Tip

 Please ensure your enabled contract data before transfering EGCR2 tokens

If you want to send BEP-20 tokens, you need to activate contract data on your device. Otherwise, invalid status 6a80 is returned.

Steps:

• Connect and unlock your Ledger device.
• Open the JVD application.
• Press the right button to navigate to Settings. Then press both buttons to validate.
• In the Contract data settings, press both buttons to allow contract data in transactions.
• The device displays Allowed.

Connect with MetaMask

JVD is compatible with MetaMask. Users can use MetaMask as a bridge between Ledger Nano S and JVD to make transactions to the JVD testnet.

1) Connect MetaMask to JVD Testnet by following this guide to add a custom network

• Testnet

  • RPC URLs
  • ChainID: 0x3500 (13568 in decimal)
  • Symbol: JVD
  • Block Explorer

• Mainnet

  • RPC URLs
  • ChainID: 0x7C32 (31794 in decimal)
  • Symbol: JVD
  • Block Explorer

Unlock your Metamask

Click on “Connect Hardware Wallet”

Choose “Ledger”

Choose your address

You should see a new account

Please read this doc to learn about how to interact with blockchain.

With Ledger, you need to approve your transaction in your device.

Initiate a transfer transaction, then click on next

Review the transaction details, then confirm the same info on Ledger device

You can view the transaction info and confirm it on Ledger:

11) Once the transaction is ready to get signed, your Ledger device will display this screen. Click on both buttons for broadcasting this transaction.

12) Track the transaction stsatus in “Activity” tab

FAQ

1. Fail to tranfer EGCR2 tokens

Error message:

 '{"value":{"code":-32603,"message":"Error: TransportStatusError: Ledger device: Invalid data received (0x6a80)"}}'