> For the complete documentation index, see [llms.txt](https://docs.neopin.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.neopin.io/earn-with-neopin/bridge/app-bridge-guide.md).

# \[App] Bridge Guide

1. Go to the **\[Trade]** tab and choose which bridge you want to use.  \
   For NPT, USDT or ETH, choose **\[EVM Bridge] tab** and for Kaia, choose **\[FNSA Bridge] tab**
2. Select the token you want to bridge

   <figure><img src="/files/CYiRMIfaJVkF9dcqAUw4" alt="" width="375"><figcaption></figcaption></figure>
3. Choose a network of token to bridge from and to

   * Currently available networks are Kaia, Polygon and Ethereum and they are bridgeable.&#x20;
   * If this is the first time you are bridging on the selected network, a one-time approval is required to continue with the Bridge. >[/pages/B6UiByHc0AC603TCStqM#6.-approve](https://docs.neopin.io/earn-with-neopin/bridge/pages/B6UiByHc0AC603TCStqM#6.-approve "mention")

   <figure><img src="/files/fS9dz5E0LfXeSRt4SvDh" alt="" width="375"><figcaption></figcaption></figure>
4. Enter the amount to be bridged and click the **\[Convert]** button

* When bridging, a “Transaction Fee”, “Convert Fee” and “Chain Fee” will be applied
* “Transaction Fee” is the fee for requesting a transaction and the native cion of the current network will be deducted.&#x20;
* “Convert Fee” is the fee applied to use Bridge service and deducted from the total amount to be bridged.&#x20;
* “Chain Fee” is the fee for transferring the token on the bridged network, and the native coin of the current network will be deducted.&#x20;

5. Review the estimated summary and click the **\[Confirm]** button to proceed with the transaction.&#x20;
6. Enter the PIN Code to complete the transaction to bridge.&#x20;

   * There may be a waiting time due to the network situation

   <figure><img src="/files/0HudG8b0EHnweN6bTS1l" alt=""><figcaption></figcaption></figure>