; qualified digital commodity custodians The Commodity Exchange Act ( 7 U.S.C. 1 et seq.) is amended by inserting after section 5h the following: 5i. Registration of digital commodity exchanges (a) In general (1) Voluntary registration (A) In general Any trading facility that offers or seeks to offer a market in digital commodities may register with the Commission as a digital commodity exchange. (B) Application A person desiring to register as a digital commodity exchange shall submit to the Commission an application in such form and containing such information as the Commission may require for the purpose of making the determinations required for approval under subsections (c) and (e). (2) Deemed registration A registered designated contract market or registered swap execution facility which fulfills the requirements of this section shall be considered a registered digital commodity exchange. (b) Trading (1) In general A digital commodity exchange that is registered under subsection (a) may make available for trading any digital commodity that is not readily subject to manipulation, subject to this subsection. (2) Rules governing margined or leveraged trading The Commission may make, promulgate, and enforce such rules governing margined, leveraged, or financed transactions as are reasonably necessary to protect market participants and promote the orderly settlement of transactions with respect to— (A) disclosure; (B) recordkeeping; (C) capital, margin, and other financial resources; (D) reporting; (E) business conduct; (F) documentation