Yeah, basically you have to have a bunch made and destructively analyze some of them (https://www.extremetech.com/extreme/141077-how-to-crack-open-some-computer

Yeah, basically you have to have a bunch made and destructively analyze some of them (https://www.extremetech.com/extreme/141077-how-to-crack-open-some-computer-chips-and-take-your-own-die-shots https://www.extremetech.com/extreme/141077-how-to-crack-open...). That'll build confidence that the others aren't compromised. The costs could be reasonable (http://electronics.stackexchange.com/questions/7042/how-much-does-it-cost-to-have-a-custom-asic-made http://electronics.stackexchange.com/questions/7042/how-much...) under a kickstarter-style campaign.