> The federation architecture allows anyone to host a BGS, though it’s a fairly resource-demanding service. In all likelihood, there may be a few large full-network providers, and then a long tail of partial-network providers.

The blog post seems kind of hand-wavy. One question is, how do they make the few large BGS censorship-resistant?

(I know I'm violating the HN guidelines, but I hate how they've hidden the scrollbar on that blog post.)