Which of the following is NOT a type of collateral?

The concept of collateral refers to an asset that a borrower offers to a lender to secure a loan. If the borrower defaults, the lender has a right to seize the collateral. In secured transactions, collateral is typically classified into several categories based on its nature and use.

Tangible collateral includes physical objects that can be touched and moved, such as machinery, vehicles, and inventory. Consumer goods fall under the category of tangible collateral and specifically refer to goods intended for personal use. Intangible collateral includes non-physical assets like intellectual property rights, stocks, and accounts receivable.

Real estate can also be used as collateral for loans, but it is not categorized in the same manner as the other forms of collateral mentioned in the question. Instead, real estate is treated distinctly within secured transactions, often under different legal frameworks and requirements compared to personal property types. This distinction leads to the understanding that "Real Estate Collateral" is not classified along with tangible goods, consumer goods, or intangible assets. Therefore, identifying it as not fitting within the typical definitions of collateral helps clarify why it is the correct answer to the question.