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.

PODGORICA, Montenegro (AP) — 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, while refusing a South Korean handover plea, the Balkan country’s authorities said.

Montenegrin authorities extradited crypto entrepreneur Do Kwon to the United States on Sunday to face fraud charges related to the $40 billion collapse of the Terra ecosystem in 2022.