(solve REtro web 1/2 first) Look, I've found my first mobile website I created in childhood! It's well protected from vulnerabilities that had not even existed back in those days. Can you try to hack it? If you have any questions, feel free to send me a link to them using this private channel: http://retro.zajebistyc.tf/report
The flag format is:
If you have any questions, ask the organisers in person.