You can circumvent that without self-hosting anything. (though self-hosting your PDS is one way to avoid all but the block on Mississippi)
https://gist.github.com/mary-ext/6e27b24a83838202908808ad528...
Their official website/app are compliant with those laws when unmodified.
This is so funny that with a self-hosted PDS you can just tell BlueSky "trust me bro." What an absolute joke these age verification laws are.
We were content with "Are you 21 Y/n" for sites featuring alcohol for years, why did we have to go and mess it up?