https://www.techdirt.com/articles/20210908/03560147519/sci-hub-celebrates-10-years-existence-with-record-88-million-papers-available-call-funds-to-help-it-add-ai-go-open-source.shtml

To celebrate ten years offering a large proportion of the world's academic papers for free -- against all the odds, and in the face of repeated legal action -- Sci-Hub has launched a funding drive:

Sci-Hub is run fully on donations. Instead of charging for access to information, it creates a common pool of knowledge free for anyone to access.