# B² Bool Bridge (MetaMask)

### Deposit: Bridge Assets to B² Mainnet <a href="#deposit-bridge-btc-to-satoshivm" id="deposit-bridge-btc-to-satoshivm"></a>

#### 1. Navigate to B² Bool Bridge <a href="#id-1.-navigate-to-the-official-btc-bridge" id="id-1.-navigate-to-the-official-btc-bridge"></a>

Access [B² Bool Bridge](https://bsquared.boolbridge.com/). This is where you initiate the deposit transaction regarding BTC or BRC-20 from Bitcoin to B² Mainnet.

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FELRZVsStFVvGvn9he0HJ%2Fimage.png?alt=media&#x26;token=ed84393d-8fe7-4933-8d9e-771fe7639e4d" alt=""><figcaption></figcaption></figure>

#### 2. Connect Wallets <a href="#id-2.-connect-both-wallets" id="id-2.-connect-both-wallets"></a>

On the Bridge interface, connect both your MetaMask and UniSat wallets. Follow the prompts and confirm the wallet connections.

{% hint style="info" %}
Through the wallet connection, assets will be bridged to your Layer 2 <mark style="color:red;">**Metamask Wallet address**</mark> (the default destination address).
{% endhint %}

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FLS18yId0nwJC65FQmXH9%2Fimage.png?alt=media&#x26;token=6443ea44-6f79-4a7d-ad07-ef29633577d7" alt=""><figcaption></figcaption></figure>

#### 3. Deposit on Bitcoin <a href="#id-3.-deposit-on-bitcoin" id="id-3.-deposit-on-bitcoin"></a>

Initiate the deposit transaction by specifying the amount of BTC or BRC-20 you intend to bridge from the Bitcoin to the B² Mainnet. Review and confirm the transaction details.

**3.1 Specify the amount of BTC or BRC-20 to deposit**

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FCUfP5D0ujsoggP8lDWOi%2Fimage.png?alt=media&#x26;token=c776b650-ed53-48f1-8faf-412842e81738" alt=""><figcaption></figcaption></figure>

**3.2 Confirm the deposit transaction in UniSat**

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FTEQUbl6LFNxvHQd087na%2Fimage.png?alt=media&#x26;token=ad54bb77-6ccc-4980-aa08-0d5661228f7f" alt=""><figcaption></figcaption></figure>

#### 4. Monitor the bridging progress on the History page <a href="#id-4.-monitor-progress-on-the-history-page" id="id-4.-monitor-progress-on-the-history-page"></a>

Once the deposit is initiated, monitor the progress of your transaction on the History page of B² Bool Bridge. This section provides real-time tracks on the status of your cross-chain transactions.

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FWfLT5QquAMexTlNL6Zti%2Fimage.png?alt=media&#x26;token=a979197f-060b-433d-a5ff-62080cba456e" alt=""><figcaption></figcaption></figure>

#### 5. Check destination address balance via B² Mainnet Explorer <a href="#id-6.-check-destination-address-balance-via-satoshivm-explorer" id="id-6.-check-destination-address-balance-via-satoshivm-explorer"></a>

When the deposit is completed, check the balance of the destination address on [B² Mainnet Explorer](https://explorer.bsquared.network/). Confirm that the bridged BTC or BRC-20 is reflected in your B² Mainnet address.

### Withdraw: Bridge Assets from B² Mainnet to Bitcoin <a href="#deposit-bridge-btc-to-satoshivm" id="deposit-bridge-btc-to-satoshivm"></a>

#### 1. Navigate to the B² Bool Bridge <a href="#id-1.-navigate-to-the-official-btc-bridge" id="id-1.-navigate-to-the-official-btc-bridge"></a>

Access [B² Bool Bridge](https://bsquared.boolbridge.com/). This is where you'll initiate the withdrawal transaction regarding BTC or BRC-20 from B² Mainnet to Bitcoin.

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2F9ERaCOTRU5IkbNwfilvQ%2Fimage.png?alt=media&#x26;token=6ca1629c-24e5-4fb4-beaf-becb06f4f8ec" alt=""><figcaption></figcaption></figure>

#### 2. Connect Wallets <a href="#id-2.-connect-both-wallets" id="id-2.-connect-both-wallets"></a>

On the Bridge interface, connect both your MetaMask and UniSat wallets. Follow the prompts and confirm the wallet connections.

{% hint style="info" %}
Through the wallet connection, assets will be bridged from the Layer 2 <mark style="color:red;">**Metamask address**</mark> (the source address) to your Unisat address on Bitcoin.
{% endhint %}

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FvgDhGrBnEgIfXfYal6kq%2Fimage.png?alt=media&#x26;token=4c167f64-7b17-4810-ae4b-b450b67af608" alt=""><figcaption></figcaption></figure>

#### 3. Withdraw from B² <a href="#id-3.-deposit-on-bitcoin" id="id-3.-deposit-on-bitcoin"></a>

{% hint style="warning" %}
Only BRC-20 withdrawals are available at the moment.
{% endhint %}

Initiate the withdrawal transaction by specifying the amount of BTC or BRC-20 you intend to bridge from B² Mainnet to Bitcoin. Review and confirm the transaction details.

**3.1 Specify the amount of BRC-20 to withdraw**

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2F52Prb2PzpRTd1xcMM5MS%2Fimage.png?alt=media&#x26;token=8f52240a-f442-425c-981b-9ec03aa649e8" alt=""><figcaption></figcaption></figure>

**3.2 Confirm the withdrawal transaction in Metamask**

<figure><img src="https://362083554-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBPzEwQWF8yFmEtNtg2pz%2Fuploads%2FYZoXDrk8Zxy2DCSTZxt5%2Fimage.png?alt=media&#x26;token=9163a379-394c-44ed-ac63-8b01b97b0869" alt=""><figcaption></figcaption></figure>

#### 4. Monitor progress on the History page <a href="#id-4.-monitor-progress-on-the-history-page" id="id-4.-monitor-progress-on-the-history-page"></a>

Once the withdrawal is initiated, monitor the progress of your transactions on the History page of B² Bool Bridge. This section provides real-time tracks on the status of your cross-chain transactions.

#### 5. Check assets balance in Unisat Wallet <a href="#id-6.-check-destination-address-balance-via-satoshivm-explorer" id="id-6.-check-destination-address-balance-via-satoshivm-explorer"></a>

When the deposit is completed, check the balance of the assets in Unisat Wallet.