Sam Bankman-Fried.Lev Radin/Pacific Press/LightRocket via Getty ImagesSam Bankman-Fried was sentenced to 25 years in prison on Thursday.Prison consultants think he could serve as few as 17 years — if he plays his cards right.He'll have to resist contraband and exercise impulse control, prison consultants say.A court sentenced Sam Bankman-Fried, the fallen king of crypto, to 25 years in prison on Thursday.