How are you going to verify the age of someone coming in from another country?

Realistically all but the largest sites are going to contract out age verification to third parties. There will probably be verification companies that will have a wide range of verifications.

	▲	Hizonner 2 days ago \| parent [-]
		There already are, and have been for a while. And, yes, of course, they've been involved in lobbying for the requirements.