To see your funds, you might need to change chains. It's simple to do!
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Open your MetaMask wallet, and click the upper left hand corner icon. It'll pop up with options to change chains.

To add a network, check out our other guide here. It goes over how to add DEGEN chain but the same steps apply to adding any other chain. You'll just need the correct chain information. You can find the correct chain information typically on the official website for a chain.