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Something has happened. Something he can't talk about. If he hasn't pinched the coins there's an Unknown Unknown going on.
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Looks to me like the guy is just more comfortable maintaining control of other people's BTC rather than giving the control up to either the rightful owner or anyone else. I guess he just wants to keep them safe and protected. I mean even a rightful owner can make mistakes and lose control of their own BTC and that would be bad. Strateman is a knowledgeable and skilled security professional so it probably makes more sense that he retains control of things. In his mind.