> as far as those platforms continue to support web registration, they can't use remote attestation They can; Apple (and others) have implemented Private Acces

> as far as those platforms continue to support web registration, they can't use remote attestation They can; Apple (and others) have implemented Private Access Tokens (PATs) for this. https://blog.cloudflare.com/eliminating-captchas-on-iphones-and-macs-using-new-standard/ https://blog.cloudflare.com/eliminating-captchas-on-iphones-...