Age verification laws are proliferating fast across the United States and around the world, creating a dangerous and confusing tangle of rules about what we’re all allowed to see and do online. Though these mandates claim to protect children, in practice they create harmful censorship and surveillance regimes that put everyone—adults and young people alike—at risk. The term “age verification” is colloquially used to describe a wide range of age assurance technologies, from age verification syste...