; or (ii) for any other person, including any depository, digital commodity exchange, other digital commodity broker, other digital commodity dealer, or digital commodity custodian that has received any customer money, assets, or property for deposit, to hold, dispose of, or use any such money, assets, or property, as belonging to the depositing digital commodity broker or digital commodity dealer or any person other than the customers of the digital commodity broker or digital commodity dealer, respectively. (B) Use further defined For purposes of this section, use of a digital commodity includes utilizing any unit of a digital asset to participate in a blockchain service defined in paragraph (6) or a decentralized governance system associated with the digital commodity or the blockchain system to which the digital commodity relates in any manner other than that expressly directed by the customer from whom the unit of a digital commodity was received. (6) Participation in blockchain services (A) In general A customer shall have the right to waive the restrictions in paragraph (1) for any unit of a digital commodity to be used under subparagraph (B), by affirmatively electing, in writing to the digital commodity broker or digital commodity dealer, to waive the restrictions. (B) Use of funds Customer digital commodities removed from segregation under subparagraph (A) may be pooled and used by the digital commodity broker or digital commodity dealer, or one of their designees, to provide a blockchain service for a blockchain system to which the unit of the digital asset removed from segregation in subparagraph (A) relates. (C) Limitations (i) In general The Commission may, by rule, establish notice and disclosure requirements, and any other limitations and rules related to the waiving of any restrictions under this paragraph that are reasonably necessary to protect customers, including eligible contract participants, non-eligible contract participants, or any other class of customers. (ii) Customer choice A digital