Atleast on mastodon you can blacklist. Whitelisting nodes is counterproductive to what federation is trying to achieve. A decentralized network means that if

Atleast on mastodon you can blacklist. Whitelisting nodes is counterproductive to what federation is trying to achieve. A decentralized network means that if things go sour, the cost of switching is small, similar to an email account. If my mail provider fucks up, I point my domain to another one and I don't even bother.