Developer Builds Blockchain-Based Fan Loyalty Tracker to Prevent Streak Resets

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A developer has built Loyalty Ledger, a fan loyalty tracking app that stores check-in streaks, badges, and history on the Solana blockchain rather than a centralized database. The project was created to address a common frustration: sports apps can reset or delete user loyalty data at any time, since that data is stored on company servers the user does not control. Users connect a crypto wallet, select a team, and check in, with each action recorded as an on-chain transaction that no third party can alter or erase. The app awards badge tiers ranging from Rookie to Legend and displays a Fan Passport with streaks, scores, and activity history drawn from real blockchain records. Currently, only the FIFA World Cup path writes live transactions; NBA and other sport options are present in the interface but are not yet fully functional.

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