To make something serve as collateral for a loan

To provide an assurance or guarantee, often in a financial context

आश्वासन प्रदान करना या गारंटी देना

English Usage: They needed to collateralize their investment to attract more investors.

Hindi Usage: उन्हें अधिक निवेशकों को आकर्षित करने के लिए अपनी निवेश को गारंटी देना आवश्यक था।