The article explores how bankruptcy cases handle disputes over invalid transactions by debtors. It looks at how these cases are processed within the bankruptcy system and how they differ from regular legal proceedings. The main focus is on understanding the specific procedures involved in challenging a debtor's transactions during bankruptcy. The study shows that these cases are treated separately within the bankruptcy process, with decisions on invalid transactions made early on in the proceedings. It emphasizes the importance of correctly identifying who can participate in these specific challenges to ensure fair outcomes.