This guide will help you to create a Polkadot.js wallet from the Polkadot.js extension that you can use in Mangata X as well as all Dotsama ecosystem.

1. Head to

Select your browser and download the extension.

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2. Click the extension on your browser

A pop-up window will appear. Click either of the plus (+) buttons to continue.


3. You will be prompted with “Create an Account” screen.

Write down the 12-word mnemonic seed back it up on a safe place. Check the box says “I have saved my mnemonic seed safely” and continue to next step.

<aside> 🔐 You can NEVER see your mnemonic seed again. Please make sure you wrote them down (preferably NOT on a digital environment) and stored in a safe place. You can always import your wallet from the 12-word mnemonic seed.



4. Assign a name and password for your account.

Only you will be able to see your wallet name. The password will be required whenever you want to sign a message and/or if you want to export & import your wallet as a .json file. Click “Add the account with the generated seed” to continue.

<aside> 🔐 You wont need your password if you import your wallet from 12-word mnemonic seed.


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You have created a Polkadot.js wallet. You can select “Allow use on any chain” from the three dots on the right side of your account and use your account on any substrate based network.

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