Honest question on your last point: What would you offer to prevent the somewhat dark-market forming around the limited number of meaningful identifiers? Using

Honest question on your last point: What would you offer to prevent the somewhat dark-market forming around the limited number of meaningful identifiers? Using non-meaningful identifiers worked with phone numbers when they were bound to a region, but the web is global so I suppose you would not be happy with something like newprotocol://europe.germany.berlin.101010.servicename ?