The California and Colorado laws don't involve any ID.
And those are better than the ones that do involve ID, which also exist, but not as good as the thing where the service tells your device the rating of the content instead of the user telling the service their age.
alt Hacker News
And those are better than the ones that do involve ID, which also exist, but not as good as the thing where the service tells your device the rating of the content instead of the user telling the service their age.