How to use the Simple Bridge
We’re excited to announce that Simple Bridge is live on the Fractal Bitcoin Mainnet! With Simple Bridge, you can securely and efficiently connect assets from different protocols to PizzaSwap and enjoy seamless cross-chain transfers.
Start using it here: https://fractal.unisat.io/bridge
Understand Simple Bridge Rules
Before you begin, make sure to familiarize yourself with the Simple Bridge rules.
Supported Assets:
sBTC, sORDI, sSATS, sQUAQ, sOSHI, sPEPE, sTRAC, sMEME, sRATS, sPIZZA
All bridged assets carry the s- prefix, indicating their status as cross-chain assets transferred via Simple Bridge.
Bridge Fees:
Deposit Fee: 0.00003 BTC
Withdrawal Fee: 0.25 FB
Setting Up Your Fractal Bitcoin Wallet
Open the UniSat Wallet extension. You can download it by clicking here.
Using Simple Bridge
Step 1: Access the Simple Bridge Page
Go to Simple Bridge Page https://fractal.unisat.io/bridge and click "Connect" in the top-right corner to sign in with your wallet.
Step 2: Bridge BTC or Inscribe Transfer for brc-20
For BTC: Select BTC and simply input the amount you wish to bridge in the "You Pay" section.
For brc-20: First, you need to perform an Inscribe Transfer. Select the ticker you want to bridge from the dropdown menu next to the ticker name, then choose a transfer to bridge.
If you haven't completed an Inscribe Transfer yet, follow the steps below:
In the "You Pay" section, select the ticker you wish to bridge and click + to start the Inscribe Transfer.
In the pop-up signature window, enter the Amount, Output Value, and Fee Rate. After verifying the information is correct, click "Next."
Confirm the signature details, and click "Next" again.
Double-check the inputs and outputs in the signature window. Once everything is correct, click "Sign & Pay" to complete the Inscribe Transfer.
After inscribe transfer, you need to patiently wait for 3 block confirmations.
Make sure the amount for the Inscribe Transfer is not less than the minimum value specified on the interface.
Step 3: Bridge Operation
In the Simple Bridge page, select the asset you want to bridge and input the amount in the You Pay field.
The system will automatically calculate and display the amount you will receive in the You Receive field. Verify the Receiving Address and Fee. If everything is correct, click Deposit.
In the signature window, confirm the inputs and outputs, then click Sign to complete the operation.
Step 4: View Bridge Details
After signing, you'll be taken to the Bridge Details page. The system will automatically complete the bridge operation.
Withdraw from Simple Bridge
The operations for withdrawing and depositing through the bridge are the same.
First, click the 🔁 icon on the page to switch to withdraw mode.
Step 1: Inscribe Transfer
First, you need to perform an Inscribe Transfer. Select the ticker you want to withdraw from the dropdown menu next to the ticker name, then choose a transfer to withdraw.
If you haven't completed an Inscribe Transfer yet, follow the steps below:In the "You Pay" section, select the ticker you wish to withdraw and click + to perform the Inscribe Transfer.
In the pop-up signature window, enter the Amount, Output Value, and Fee Rate. After verifying the information is correct, click "Next."
Confirm the signature details, and click "Next" again.
Double-check the inputs and outputs in the signature window. Once everything is correct, click "Sign & Pay" to complete the Inscribe Transfer.
After inscribe transfer, you need to patiently wait for 3 block confirmations.
Make sure the amount for the Inscribe Transfer is not less than the minimum value specified on the interface.
Step 2: Withdraw Operation
In the "You Pay" section, select the ticker you want to withdraw, and click the amount you previously Inscribe Transferred.
The system will auto-fill the "You Receive" field with the corresponding amount. Double-check the Receiving Address and Fee. Once confirmed, click "Withdraw."
In the signature window, confirm the inputs and outputs, then click "Sign" to complete the process.
Step 3: View Withdraw Details
After signing, you'll be redirected to the Withdraw Bridge Details page. The system will automatically complete the bridge operation.
View Bridge History
You can view your Bridge Deposit and Withdraw history anytime by visiting the Bridge History page: https://fractal.unisat.io/bridge/history.
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