Not even: the government is supposed to provide you with more than one token (how would you verify yourself as a human to more than one website otherwise?)

▲

kjkjadksj 5 days ago | parent [-]

The idea would be a connection requires the key so you could both verify at more than one website and be limited to one instance per website.

	▲	palata 5 days ago \| parent [-]
		If you use the same token on more than one website, it's not privacy-preserving anymore.