> ## Documentation Index > Fetch the complete documentation index at: https://developers.circle.com/llms.txt > Use this file to discover all available pages before exploring further. # Quickstart: Subscribe and redeem USYC using the USYC Portal This quickstart shows you how to use the USYC Portal to subscribe to and redeem USYC. ## Step 1. Connect to the USYC Portal Access the USYC Portal on mainnet or testnet: * Mainnet: [https://usyc.hashnote.com](https://usyc.hashnote.com) * Testnet: [https://usyc.dev.hashnote.com](https://usyc.dev.hashnote.com) Connect your wallet and select the blockchain network where your funds are located.
Wallet connection step 1 Wallet connection step 2 Wallet connection step 334
## Step 2. Subscribe to USYC From the **Subscribe** tab and in the **Balance** section, enter the amount of USDC to invest. Subscribe step 1 In the **Destination Chain** section, select the blockchain where you want to receive USYC. Subscribe step 2 Select **Approve USDC** to authorize the Teller contract to spend USDC. Subscribe step 3 Select **Mint USYC** to exchange the entered USDC amount for USYC. Subscribe step 4
Subscribe Confirm Tx step 1 Subscribe Confirm Tx step 2
If successful, a message is displayed confirming the minting of USYC. Subscribe step 6 ## Step 3. Redeem USYC Select the **Redeem** tab and from the **Balance** section, enter the amount of USYC to redeem. Redeem step 1 In the **Destination Chain** section, select the blockchain where you want to receive USDC. Redeem step 2 Select **Redeem USYC** to exchange USYC for USDC. Fees apply. Redeem step 3
Redeem Confirm Tx step 1 Redeem Confirm Tx step 2
If successful, a message is displayed confirming the redemption. Redeem step 5