As others have pointed out, it's not incumbent upon those opposed to a policy to come up with an alternative. Rather, it's literally legislators' job to do tha

As others have pointed out, it's not incumbent upon those opposed to a policy to come up with an alternative. Rather, it's literally legislators' job to do that. However, as others have also pointed out, child sex abuse has both existed and been prosecuted before this law has come into effect. Thus, the alternative I personally prefer is that. I understand your principles and willingness to sacrifice privacy lead you to another solution, but hey, you asked.