Well, if you're an expert in branding this should be the easy part right? 😄 jk I get it.
I'm no expert, but I think it's really important to understand the culture of your audience. When you understand your audience deeply, it tends to come much easier.
I really like double entendres in a name because you can pack two messages into what's normally just one - which I suspect initiates intrigue. When I find the right name, I get this feeling that there's no other possible name. It happened with Stacker News and it happened with Outer Space.
For a brand helping bitcoin brands, I'd look to signal that I
  1. understand bitcoin deeply (perhaps only in a way insiders would recognize)
  2. have world class taste.
I'm not sure what the right name is though.