(CNBC) The Bitcoin Commons is, at once, many things. By day, it functions as an open plan, fluorescent-lit co-working space for the more corporate-minded bitcoin operators, but at night, it moonlights as a safe space for underground meet-ups of the industry’s rogue actors. Periodically, it plays host to conferences that draw in a mix of attendees ranging from venture capitalists to armed preppers living entirely off the grid. And on some afternoons, once happy hour hits, the kitchen at the back is retrofit with a stowaway bar