the purchase or sale of a commodity for future delivery. (C) Section 4b-1 shall apply to any agreement, contract, or transaction in a digital commodity as if the agreement, contract, or transaction were a contract of sale of a commodity for future delivery. (2) Prohibition on acting as a counterparty (A) In general A digital commodity exchange or any affiliate of such an exchange shall not trade on or subject to the rules of the digital commodity exchange for its own account. (B) Exceptions The Commission shall, by rule, permit a digital commodity exchange or any affiliate of a digital commodity exchange to engage in trading on an affiliated exchange so long as the trading is not solely for the purpose of the profit of the exchange, including the following: (i) Customer direction A transaction for, or entered into at the direction of, or for the benefit of, an unaffiliated customer. (ii) Risk management A transaction to manage the risks associated with the digital commodity business of the exchange. (iii) Functional use A transaction related to the functional operation of a blockchain network. (C) Notice requirement In order for a digital commodity exchange or any affiliate of a digital commodity exchange to engage in trading on the affiliated exchange pursuant to subsection (B), notice must be given to the Commission that shall enumerate how any proposed activity is consistent with the exceptions in subsection (B) and the principles of the Act. (D) Delegation The Commission may, by rule, delegate authority to the Director of the Division of Market Oversight, or such other employee or employees as the Director of the Division of Market Oversight may designate from time to time, to carry out these provisions. (3) Trading securities A registered digital commodity exchange that is also registered with the Securities and Exchange Commission may offer a contract of sale of a restricted digital asset. (4) Rules for certain digital asset sales The digital commodity exchange shall have in place such rules as may be