HashKey Exchange announced the official launch of three digital U.S. Treasury funds under WisdomTree on its investment channel: WTSYX (short-term Treasury fund), WTTSX (3-7 year Treasury fund), and WTSTX (7-10 year Treasury fund), covering fixed-income assets in US dollars with different maturities. All three products are U.S.-registered open-ended funds, using blockchain technology to record digital fund units and employing a passive index strategy to track U.S. Treasury indices of their respective maturities. They are only open to qualified professional investors. https://www.(wublock123.com)/news/hashkey-exchange-lists-three-wisdomtree-tokenized-us-treasury-funds-71219