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Mastodon's decentralized social network has a major CSAM problem | Engadget
(www.engadget.com)
This is a most excellent place for technology news and articles.
The article reads like a low key hit piece, the report is good and has food for thought.
As an aside, always look at anything NCMEC says with a critical eye. They do great work in their space, but they are vehemently anti-decentralization and anti-privacy.