# Bridge mode

Thanks to the Bridge mode, you can replenish wallet balances with native tokens for further activity in the desired network. Bridge mode allows bridging tokens from any available network to another, without being tied to the module's network.

* In the **Mode** section, select **Bridge Mode**;
* In the **Run** mode section, choose how wallets will be launched:
  1. **Parallel**: wallets will operate concurrently (multithreaded) with or without proxies;
  2. **One-by-one**: wallets will be launched one after another with or without proxies;
  3. **One-by-one (mobile proxy)**: wallets will be launched one after another using mobile proxies. Mobile proxies must first be added to the Settings -> [**Proxies**](https://docs.nfd.gg/main/eng-combine-software/section-settings/proxies) section and linked to accounts in the [Account Manager](https://docs.nfd.gg/main/eng-combine-software/account-manager).
* To launch a pre-prepared group of wallets, select the desired one in the **Select Accounts group to launch** section;
* In the **Bridge Type** section, choose the bridge through which you want to send tokens. All modules have several bridges to choose from: official bridges and third-party developer bridges;
* If you want to send funds through an official bridge, select it from the list and proceed to the settings. Almost all official bridges work only with the Ethereum network. Therefore, to send ETH to the L2 network via official bridges, you must have ETH on your Ethereum network balance;
* In the **Account Delays** section, set the delay between wallet launches in seconds;
* Clicking on **Pro** will open the Gas Guard setting. If this delay is activated, your wallet will additionally go to sleep if several accounts in the same session are simultaneously ready to work after reaching the gas level you set for the software. We did this so that all these wallets do not start sending transactions simultaneously after reaching the gas level you set. The standard delay is set between 30 to 150 seconds;
* If you are using the official bridge, then in the **Bridge mode** field, select **Deposit** if you want to send tokens from the Ethereum network to Base, or **Withdraw** if you want to send funds from Base to Ethereum.

<figure><img src="/files/xJPvtdtZzTEBbN6Atoe4" alt=""><figcaption></figcaption></figure>

* If you are using a third-party developer bridge or an official bridge that allows choosing networks other than Ethereum, select the network from which the tokens will be sent in the **Chain from** field in the first window, and select the network to which the tokens will be sent in the **Chain to** field in the second window;
* Below the network selection fields, there are two informational tabs: **Min amount** displays the minimum amount of the transfer, and **Trading fee** shows the bridge's fee excluding gas fees;
* Click **Update Balances** to see the current balance on the wallets;
* Select the wallets you want to use in the session;
* In the **Amount** section, there are three functions: **All**, **Send range**, and **Leave range** if you are using the official bridge, and two functions **Send range** and **Leave range** when using a third-party developer bridge.
  1. **All** - transfers all available tokens on the wallet to the destination network.
  2. **Send range** - allows you to send tokens within a specified range.
  3. **Leave range** - allows you to leave a specified range of tokens on the wallets and send only what is above this range.
* Enter the amount range in the required fields and click **Apply to selected wallets**. The amount for each wallet will be generated randomly within the specified range. The amount that will be applied to the wallet can be seen in the **Amount to bridge** field. You can also manually change the amount in this field.
* In the **Max gas price** section, set the maximum gas price in the Ethereum network for transactions. The software will wait until the gas price drops to the specified value before starting transactions. After starting the session, you can change the upper Gwei limit in the **Logs & Progress** tab, by going to the **Sessions** subsection.
* To have the wallets operate in a random order, keep the **Randomize wallets** checkbox enabled.
* To start the wallets, click **Launch**.

<figure><img src="/files/6usLY5D2Y7SYioxcrWYA" alt=""><figcaption></figcaption></figure>

* Your wallets have been launched. You can track the progress of wallet operations in the [Logs & Progress](https://docs.nfd.gg/main/eng-combine-software/modules/operation-and-launching-of-modules/base-module/logs-and-progress) section.


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