The United Kingdom has imposed sanctions on a group of cryptocurrency exchanges, payment firms and individuals accused of helping Russia evade Western restrictions and finance its war in Ukraine, including crypto exchange Huobi.

The sanctions package from the U.K. Foreign, Commonwealth & Development Office targets 18 entities and individuals linked to what officials described as Russia’s “illicit financial infrastructure used to move funds, procure goods, and sustain its war.”

Among them are Huobi Global S.A., operator of the HTX exchange, Rapira Group LLC, Aifory LLC, Arvix LLC and Bitpapa IC FZC LLC.

HTX is one of the world’s largest crypto exchanges, with roughly $3.3 trillion in trading volume last year, according to a blog…