Everywhere. The verification has two elements. The first one is a community check, where I check you and you check me (this can be done virtually everywhere in the world). The community verification can bring your verification up to 90%. For the rest on 10% depends on the area you live. For example, in Belgium, the government issues ID is a smart card(Estonia the same). If you would have a Belgian ID you could be 100% verified by inserting the smart card in your already present smart card reader. If you are in a different area, you might need to make a 1 USD/EUR transfer to verify that the name on the bank statement is the same with the one in the documents uploaded on Persona blockchain and the ID and the face of teh people that is in front of the verifier.