The XRPL wallet secret key is a ~29 character long alphanumeric string starting with the letter “s”.
You can use the secret key to import a wallet to another account.
To find your wallet's secret key:
- Go to "WALLET" (to see how to switch between the wallets please see article Wallet type and switching between wallets).
- Click "Advanced".
- Under "XRPL Settings" click on the "SECRET KEY" filed.