Karen Chen, the former president of UBS China Ltd., has been appointed chief executive officer at a cryptocurrency firm Higgs Block Technology Pte. Ltd., joining other financial-industry veterans in jumping ship to the burgeoning technology.

Chen started in December at Higgs Block, a Singapore-based blockchain company founded in August, according to a statement. The group includes Coinsuper, a token exchange, as well as units that provide private-banking, over-the-counter trading and consulting services in cryptocurrencies.


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