Alexander Vinnik is escorted into Thessaloniki Court on Wednesday to face a Russian extradition request on fraud charges.
The court has already approved a previous extradition request by the US.
Vinnik arrived to court in a police van and was escorted into court house by one officer.
Vinnik, a 38-year-old Russian national, is wanted in the US for alleged cybercrimes equating to $4 billion... Еще (€3.4bn), including money laundering and unlicensed money transfer. He was arrested on July 25 in a Greek resort in Halkidiki on a US warrant.