Hidden service will operate as long as at least one introduction point is not censoring. The concept of semi-static nodes (guard nodes, introduction nodes etc.)

Hidden service will operate as long as at least one introduction point is not censoring. The concept of semi-static nodes (guard nodes, introduction nodes etc.) is what makes Tor secure against voluntary deployment of black lists and many probabilistic attacks. [1] https://www.torproject.org/docs/hidden-services.html.en https://www.torproject.org/docs/hidden-services.html.en