https://dl.acm.org/doi/10.1145/3817026
Understanding Community-Level Blocklists in Decentralized Social Media
"To understand how moderators perceive and utilize community-level blocklists and what additional support they may need, we examine social media communities that run Mastodon, an open-source microblogging software built on the ActivityPub protocol. We conducted (1) content analysis of the community-level blocklist ecosystem, and (2) semi-structured interviews with twelve Mastodon moderators."