search for: poken

Hay all! I have question-answer base.. like quiz, yeah? yes! So i need to do this way... my project without registration so this way i need token.. user can answer on my question only once.. How can i do this? Iand i can give him link, and link should be like : localhost:3000/token .. he gets on this link, answer and click go and that''s all. If he want to get on this page once again he