> For the complete documentation index, see [llms.txt](https://docs.onto.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onto.app/guides/discover/binance-smart-chain-bsc/o3-swap-user-guide.md).

# O3 Swap User Guide

{% hint style="info" %}
**Reminder:** Operations require transaction fees. Please prepare enough BNB in advance to avoid transaction failures.
{% endhint %}

### Download ONTO Wallet and Create BSC Wallet

{% content-ref url="/pages/-MPJRUPoLFAVEtAK6935" %}
[Download ONTO App and Create ONT ID Wallet](/guides/app-basics/how-to-register-an-account-on-onto-wallet.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MeKrRpOaa1LPo5IWpjt" %}
[Add Chain Wallet in ONT ID Wallet](/guides/wallet-management/add-chain-wallet-in-ont-id-wallet.md)
{% endcontent-ref %}

### Sending and Receiving Binance Smart Chain Assets

{% content-ref url="/pages/-MOZCd9s70mDDZsTlNHX" %}
[Sending and Receiving BNB Smart Chain (BSC) Assets](/guides/assets/how-to-use-onto-wallet-for-binance-smart-chain-transfers.md)
{% endcontent-ref %}

### Open O3 Swap

* Click "**Discover**"
* Search for O3 Swap and click "**Confirm**" to enter the dApp

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FAx8vsR4vWFKM0meLBBo2%2F01.png?alt=media\&token=176acb3d-5882-4537-bd88-d5f15b5725f1)

### Connect your walllet

* Click the "**Connect**" button
* Choose BSC chain wallet to link

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FOp15m5OVjaJptrO94a2H%2F%E6%88%AA%E5%B1%8F2021-10-26%20%E4%B8%8B%E5%8D%884.46.11.png?alt=media\&token=3cc9c9a5-ddc3-4ac5-ac3f-1bcae34be98c)

### Exchange O3 

* Use BNB to exchange O3

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FC5O1Q6kLXCXnS5QwLwBY%2F03.png?alt=media\&token=7b6a8434-f9e3-4dd0-be09-c857d7e542a4)

* Enter the amount of BNB used for exchange
* Click "**RFQ**" to make sure that the number of exchanged O3 is 40
* Click "**Confirm**"

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FC33LoaTuYxDMEa2iVzYe%2F04.png?alt=media\&token=1d034cda-9ba6-4808-b5c4-9fff8133ee52)

* Click "**Confirm**" on the "Transaction Details" interface
* Enter the wallet password and click the arrow

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FzBxJoBVhCShEWBIeKqxJ%2F05.png?alt=media\&token=7c192b33-4bd0-42c8-b0ba-a4f6db38cab3)

### Use O3 for staking 

* Click "Vault"
* Link the wallet

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FLW6gUJ8Tm3e96uxvFrve%2F%E6%88%AA%E5%B1%8F2021-10-26%20%E4%B8%8B%E5%8D%884.49.21.png?alt=media\&token=a153d2a8-a5d6-4d72-b73f-daff3c896737)

* Click "**Stake**" 
* Enter the amount of pledged O3 and click "**Confirm**"

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FhMdJRZ8ZueBMJXob92aF%2F07.png?alt=media\&token=8f7ddc54-b7a2-44dc-8ba7-317f8f6f2907)

* Click "**Approve**" 
* Click "**Confirm**" on the "Approval Confirmation" interface 
* Enter the wallet password and click the arrow

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FtlLmxv9L24fLUx9oWswD%2F08.png?alt=media\&token=cf3c3501-646c-4a94-bc0f-af5d8cb50b95)

* After approving you need to click "**Stake**" again
* Enter the wallet password and click the arrow

![](https://4238465105-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MO0ivMI4ClG0A1r1fli%2Fuploads%2FXUOHPX0JWwRjrp9R7POM%2F09.png?alt=media\&token=f8a051b0-7886-4029-b480-4b823230ad77)

{% hint style="info" %}
The staking O3 income will enter the lock-up after clicking "claiming". You need add and stake CAKE-O3 LP first to unlock O3 Detailed unlock tutorial link: <https://docs.o3swap.com/o3-swap-user-guide/unlock-o3-bep-20>
{% endhint %}