Shamir's Secret Scavenger Hunt

I don't always hunt for QR codes, but when I do, they better lead to a secret

Puzzle Cipher/Decipher Text Game

Complete this quick check once to start playing.

Embark on a search for QR codes scattered throughout a city, each containing a piece of the secret code. Once all pieces are collected, use them to unlock the Shamir's Secret Sharing scheme and reveal the hidden message.