Raids in Serbia and North Macedonia found machines to make moulds and stamps for fake money and other equipment.
The aim is to help companies developing AIs protect themselves better from "growing cybersecurity threats."
The company has said it is making "significant steps" towards the sale of its authentications unit to Crane NXT.
Ross Ulbricht had been serving a life sentence for charges involving narcotics and money laundering.
The measures would strengthen oversight of 'de minimis' shipments, known to be a route for fake goods entering the US.
The firm says it is considering a full takeover offer for its currency unit from groups linked to a prominent UK financier.