Coins Leap (L2 → L1) is divided into two stages: the Preparing stage and the Complete stage, which require signing BTC transactions and CKB transactions, respectively.

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Prepare the leap

  1. Visit app.joy.id and switch the network to Nervos CKB;
  2. Click the "Leap" button;
  3. Enter your Bitcoin address;
  4. Select the RGB++ assets you want to Leap back to L1 and specify the amount;
  5. Choose a FeeRate (ensure your Bitcoin wallet has a sufficient UTXO balance for the fee);
  6. Click the "Leap To Bitcoin L1" button;
  7. Click the "Prepare" button;
  8. Sign to confirm the transaction;
  9. Click "Track Status" to monitor the progress; you can also view it in "Ongoing Leaps".

Complete the leap

  1. Wait for the Bitcoin mainnet to confirm the transaction. Once confirmed, click "Complete";
  2. Verify the leap details and click "Complete" again; wait for the CKB mainnet to confirm the transaction, which you can track in Settings-Activity-Leap;
  3. After the CKB mainnet confirmation, switch to your Bitcoin wallet to view your RGB++ assets.