This is a submission for Weekend Challenge: Passion Edition
What I Built
Loyalty Ledger — a fan loyalty tracker where your check-in streak, badges, and history live on Solana instead of some app's database.
Live app: https://loyalty-ledger-blond.vercel.app
Here's the problem I kept coming back to. Every sports app wants you to check in, engage, "prove your loyalty" — collect points, build a streak, unlock a badge. And every single one of them throws that history away the moment you stop using it. Switch apps and your streak resets to zero. Get banned, or the app shuts down, or they just decide to wipe inactive accounts — your history is gone, because it was never really yours. It was a number in someone else's database, and they could reset it, inflate it, or delete it whenever they felt like it, and you'd have zero recourse.
