Montenegro on Tuesday extradited a South Korean mogul known as “the cryptocurrency king” to the United States, following a decision of its justice ministry earlier this month to accept a U.S. request,

The South Korean co-founder of Terraform Labs had been on the run following fraud allegations over the cryptocurrencies he developed.

Montenegro on Tuesday extradited Terraform Labs co-founder Do Kwon to the United States, where he faces charges of having deceived investors about the stability of the TerraUSD cryptocurrency and how an app used the Terraform blockchain.