The "Unknown device" error is a security measure of your browser. How to solve it Click on the "Unkown device" line in t...

Ledger does not support batch transactions. Therefore you will run into the "utility.batch error" when trying to perform certain actions on polkad...

1. Nothing happens when I click the "Add Ledger" button Can you see your Ledger in your list of accounts? If yes, then everything is fine. Not...

Each Substrate chain has its own address format. For example, an address starting with “5” is a generic Substrate address and an address starting with a cap...

Transactions can only be made from the accounts page. All contacts in the address book are read-only and no transactions can be made from them.  You wil...

If you have trouble adding your Ledger to polkadot.js according to these instructions, and the loading icon just keeps spinning, please try the followi...

If you're trying to restore your account on Polkadot-JS UI or the Polkadot extension and you're getting an error like this: Polkadot-JS UI ...

Whenever you issue an extrinsic with the Polkadot-JS UI or the Polkadot extension for e.g. the purpose of staking or transferring funds out of your account,...

Despite its name, Polkawallet is not our product.  For troubleshooting help, please get in touch with the Polkawallet team directly via their website https...

The Ledger Live app is not supported on Windows 7.  The only solution is to either upgrade to a newer Windows version or to use a different computer wit...