The mastermind behind one of the biggest-ever Bitcoin heists was ordered to serve five years in prison for conspiring with his social-media rapper wife to launder money he stole by hacking into the Bitfinex exchange and grabbing cryptoassets now worth billions of dollars.Ilya “Dutch” Lichtenstein was sentenced in Washington federal court Thursday, after he and his wife, Heather Morgan, pleaded guilty last year in a scheme to hide proceeds from the 2016 hack. Prosecutors recommended he get five y...