Quick TakeRussian national Alexei Bilyuchenko was identified as the technological architect of BTC-e and World Exchange Services (WEX), the notorious Russian-language exchanges where $450 million worth of cryptocurrency disappearedThe Federal Security Service (FSB)-Bilyuchenko case reveals rising tensions among Russian security agencies in cyberspace, according to cyber expert Kimberly ZensA recent Global Witness report on the BTC-e investigation highlights the common practice of using anonymous companies to commit cyber-related crimes and urges UK law enforcement to take responsibility for the probe