# Deposit on Optimism

The users can now deposit into the vaults,

1. Synthetic assets like sETH,sUSD, etc., to the respective Strategy vaults. 
2. Deposit ETH and USDC on Optimism 

#### Synthetic assets

The users can deposit synthetic assets from Synthetix directly into the vault. Synthetic assets like sETH,sUSD, etc, can be deposited according to the vault.

#### Deposit ETH and USDC on Optimism 

Users can now deposit USDC and ETH directly into the vaults. The vault automatically converts the asset into a Synthetic asset through 1inch. The vault does the swap internally, and polynomial won't charge any fees for this.

<figure><img src="https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2F6RE9w3XJ9njaeopq5vrL%2FUntitled%20design.gif?alt=media&#x26;token=696f4d3f-656e-4bf4-a6a6-2b555666a68d" alt=""><figcaption><p>Deposit flow of USDC deposit on Optimism</p></figcaption></figure>

### Deposit flow for Synthetic assets

To deposit to the vaults, the user has to [approve](https://docs.earn.polynomial.fi/technical-implementation/approve) the asset in the wallet.&#x20;

![](https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2Fk5NJSWIEGxBp9mW5Cg0H%2FScreenshot%202022-08-09%20at%201.40.09%20PM.png?alt=media\&token=9145d34d-4dee-43b6-9616-75909ad55e9f)

After approval, users can enter the amount to deposit.

![](https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2FYrHJqk4VuFfP3Lub8Vwq%2FScreenshot%202022-08-09%20at%201.44.17%20PM.png?alt=media\&token=82122578-2602-458e-9bbc-bae86f439bdc)

The popup will come after the successful deposit.

![](https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2Fd4aa87R5fIea31RvjrgI%2FScreenshot%202022-08-09%20at%202.02.41%20PM.png?alt=media\&token=6202e67f-54ab-4ea0-9bf7-e644912c1552)

Since there is a min deposit time, users can see the progress of the deposit on the vault page.

![](https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2FVhhcwsapu5JfBkhqwFkh%2FScreenshot%202022-08-09%20at%203.07.12%20PM.png?alt=media\&token=2d11bc6c-003c-499a-b2e1-742c33f7bcd8)

After the min deposit time criteria, the vaults will process, and the user can view the positions in the position tab on the portfolio page.

<img src="https://2308860509-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBvvagZnXXWASrPPQUiun%2Fuploads%2FV9VKiDZyWc0EzB0VD1oy%2FScreenshot%202022-08-09%20at%202.15.24%20PM.png?alt=media&#x26;token=abd8ce58-d343-48a7-bc23-1b4b3533f3d5" alt="" data-size="original">