A lien is a legal right or interest that a lender has in a borrower's property, granted until the debt obligation is satisfied. Liens serve as a form of security for the creditor, ensuring that they can claim the property if the debtor fails to meet their financial obligations. This concept becomes particularly relevant in the context of in rem and quasi in rem jurisdiction, where courts can exercise authority over the property itself rather than the individual, allowing them to enforce liens through the property regardless of the ownerโs location.