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Restore a ECDSA wallet on Polkadot.js

During Lockdrop 1 & 2, some of you may have claimed PLM tokens, renamed ASTR, in the default wallet.
If you're one of them and have lost access to your Polkadot{.js} wallet, this tutorial will guide you through how to restore that wallet.

This is a 2-step process.

  1. Restore the wallet on Polkadot{.js}.
  2. Restore the json file on Polkadot{.js} extension.

Restore the wallet on Polkadot{.js}.​

  1. Go to Polkadot{.js};
  2. Go to Settings;
  3. On the Account Options dropdown menu, select Allow local in-browser account storage;
  4. Click Save";


  1. Next, go to Account and click on Add Account;
  2. Change Mnemonic to Raw Seed;
  3. Expand Advanced creation options;
  4. On keypair crypto type, and select ECDSA;
  5. On the SEED box, type 0x and paste your ETH private key;
  6. Tick the box I have saved my mnemonic phrase safely;
  7. Click Next;


  1. Give the account a name and a password, and click Next. Make sure to save the password;
  2. Click Save;


  1. You will be prompted to save the json file. Please save the json file safely as you will need this in the next step.

Restore the json file on Polkadot{.js} extension.​

  1. Go to https://polkadot.js.org/extension/ to download and install the browser extension wallet;
  2. After installation, click on the + icon and select Restore account from a backup json file;
  3. Select the json file that you saved from Step 1 and click Restore;
  4. Enter the password that you saved from Step 1 and click Restore;
  5. The wallet is now restored on the Polkadot{.js} extension;
  6. Click on the 3 dots and select Allow use on any chain;
  7. Your ECDSA wallet is now restored on Polkadot{.js} and you can use it with Astar Portal.