Presumably ginko means a lottery between people who've provided IDs
Yes, it's worked pretty well for eg fusion festival (well, they don't really enforce the I'd thing, but apart from that..):
https://www.fusion-festival.de/en/x/start
(ticket raffle not up yet for 2020, though)
Online camping spot reservations need to ask for your name at the time of reservation, and ensure the name matches your ID when you arrive at the park. This is how many (non-Ticketmaster) concert e-tickets work.