If anyone else trustworthy wants to join in, I'd be up for making the same charity-bet several more times.
Would any Americans care to suggest a nondenominational, nonpartisan American gun rights organization that (a) does not block Tor at their website, and (b) accepts anonymous Bitcoin donations at a publicly known address? (Too bad about blockchain privacy; payment of the bet must be verifiable somehow.)
Most charities are using crypto payment processors nowadays, which is nice for avoiding address reuse, but bad for verification. Probably we'll just have to use one of these and post a screenshot of the receipt, which is not truly verifiable, but this'll be among trusted forum members anyway.
The
New Civil Liberties Alliance has done some gun-rights-related cases, though it's not their focus. If I lose the bet, I might donate to the
Foundation for Economic Education. Both accept donations via The Giving Block, which allows anonymous BTC donations.