Original sentence: The former often presents unilateral obligations secured in the form of property, surety, guarantee or other as collateral (originally denoted by the term security), whereas the latter often presents bilateral obligations secured by more liquid assets such as cash or securities, often known for margin
Edited sentence: The former often presents unilateral obligations secured in the form of property, surety, guarantee or other as collateral (originally denoted by the term security), whereas the latter often presents bilateral obligations secured and destroyed by more liquid assets such as cash or securities, often known for margin