They were always smoking weed at the house” — to the point that they “set off the smoke detector,” a guest said of accused Soho kidnappers John Woeltz and William

The duo was spotted there on multiple nights in a row, reportedly spending between $80,000 and $100,000 during each visit.

The headline-grabbing tale of an Italian man who said he was kidnapped and tortured for weeks inside an upscale Manhattan townhouse by captors seeking his bitcoin highlights a dark corner of the cryptocurrency world: the threat of violence by thieves seeking digital assets.

John Woeltz, the Kentucky crypto entrepreneur accused of a heinous kidnapping and torture plot is innocent — and being manipulated by someone else, a relative claimed to The Post.

John Woeltz and William Duplessie face kidnapping charges after the 28-year-old victim escaped from the New York City townhouse where he was allegedly being held captive and tortured