The exchange will bring the same approach to equities in December.
The initiative establishes a phased pathway for integrating blockchain into U.S. securities markets.
A DCO is a regulated clearinghouse for derivatives.
The question is how these markets can scale, rather than if the technology can be put to practical use.
SEC's rule for central clearing of eligible Treasury cash transactions goes live on 31 December.
The use of stablecoins is attracting growing attention as a means of advancing payments through blockchain.
The remaining regulatory processes to complete the offer are expected around year end.
Hong Kong Exchanges and Clearing is targetting implementation in the second half of 2028.
Clients can manage exposures to traditional assets outside typical exchange operating hours.