AAlmost all Optimism loans require you to provide collateral of higher value than the value of the loan that you are tkaing it. The only exception to this is Optimism flash loans which allow you to borrow uncollateralised Optimism for a few seconds as part of a wider transaction. You will need advanced coding skills to take advantage of flahs loans. You can compare all Optimism loans on the
Optimism Loans tab.