Go to ramp.network/buy
Click on the “You Get” button (default is BTC – Bitcoin).
In the search box, type in “usdc on zksync” and select USDC zkSync Era.
Enter how much cash you want to spend and make sure the “You Get” button is set to “USDC on zkSync Era.”
Click the Proceed button to continue.
Finally, just follow the rest of the instructions from Ramp on how to set up your Ramp account and billing info and you’re all set!