Loyalty Ledger: On-chain fan streaks and badges on Solana

Short summary

Loyalty Ledger is a weekend project that puts sports fan check-in streaks, badges, and history on Solana instead of a centralized app database. Fans connect a wallet, pick a team, and check in via on-chain transactions that create program-owned accounts. The FIFA World Cup path is fully functional with real chain writes, while NBA and other sports are stubbed. Users can mint SPL token badges to their wallet after reaching tier thresholds.

• •Fan loyalty data lives on Solana as program-owned accounts, not app databases
• •FIFA World Cup check-in path is fully functional with real on-chain transactions
• •Users mint real SPL token badges after crossing tier thresholds

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