The main purpose of this legislation is to prevent the use of federal funds to provide financial compensation to individuals who were prosecuted for their roles in the attack on the United States Capitol on January 6, 2021. The bill aims to ensure that those involved in this violent event do not receive any financial rewards from taxpayer money, even if they were later pardoned. Key provisions of the legislation include a clear prohibition on the use of federal funds for compensating anyone prosecuted for the Capitol attack.