With the rise of far-right US government departments appearing on BlueSky, it's worth noting that there exists features in the ActivityPub-AT Protocol bridge for blocking problematic BlueSky users from Mastodon.
1. Go to https://fed.brid.gy/settings and log in with your account.
2. Enter the BlueSky handle in the block field that appears, e.g. in this case, `icegov.bsky.social`
3. Click Go
You should see the page reload with the yellow banner reading that you have blocked the nominated account. #BlueSky #FuckICE