The main difference between a revocable trust and an irrevocable trust is the degree of control that the person creating the trust (the "grantor") has over the assets in the trust. A revocable trust, also known as a living trust, is a trust that can be modified, amended, or terminated by the grantor ... » Learn More about Your Tax Benefits; Understanding How Revocable and Irrevocable Trusts Impact 1031 Exchanges