# Swapping BNB from Binance Chain (BEP2) to Smart Chain (BEP20) using TrustWallet

In Trust Wallet, click on your BNB balance. 

![](/files/-MiO9lpxSy0-ipRHUOcc)

Then select "More" and from the popup menu select "Swap to Smart Chain".

![](/files/-MiO9ulRmSsDKtewfDzI)

Enter the amount ant tap "Swap". Do not swap all your BNB, leave about $5 worth of BNB in BEP2 network in order to cover future network fees for moving BUSD from BEP2 to BEP20. At the time of writing $5 is about 0.011 BNB.

![](/files/-MiOA2wXD-Bq4SqrTDrX)

Tap "Confirm" on the next screen and wait several minutes.  Trust Wallet will show a message saying "Processing. It might take a few minutes".

![](/files/-MiOA8RStZdznOMoVJAH)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.heo.finance/how-to-move-bnb-and-busd-from-binance-chain-bep2-to-binance-smart-chain-bep20/swapping-bnb-from-binance-chain-bep2-to-smart-chain-bep20-using-trustwallet.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.