Is there any other nation today applying similar laws? Do we have any evidence of positive effects on society ? "The purpose of CSAR – called Chat Control 2.0

Is there any other nation today applying similar laws? Do we have any evidence of positive effects on society ? "The purpose of CSAR – called Chat Control 2.0 by critics – is to make it mandatory for service providers to scan messages for CSAM, and to bypass end-to-end encryption."