Alexander Vinnik, a Russian cryptocurrency expert who faced Bitcoin fraud charges in the United States, returned to Russia on Thursday after being freed in a swap that saw Moscow release American Marc Fogel,

The U.S. released the BTC-e founder this week in exchange for the release of American schoolteacher Marc Fogel.

Alexander Vinnik, a Russian national convicted of cyber crime and released by U.S. authorities as part of an exchange of prisoners, arrived in Moscow late on Thursday, Russian news agencies quoted aviation officials as saying.