- Is a method of demonstrating that a cryptocurrency exchange or other financial institution holds a certain amount of assets in reserve to back up the value of the assets it holds for its customers. This can help to build trust and confidence in the organization, as it shows that the organization is financially sound and able to honor its obligations to its customers. Proof of Reserve can take various forms, such as audited financial statements, third-party verifications, or published reserve balances. It is important for organizations to be transparent about their reserve holdings and to regularly update this information in order to maintain the trust of their customers.