NEW YORK, United States (AFP) — A US cryptocurrency expert was sentenced Tuesday to 63 months in prison for advising North Korea on how to create cryptocurrency services and blockchain technology to circumvent US sanctions over its nuclear program, court officials in New York said. Virgil Griffith, 39, had pleaded guilty to conspiring to violate US law, in a bid to reduce the sentence for a crime that can carry up to 20 years behind […]