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+# Learning Rewards Anti-Abuse Considerations
+
+Study Copilot may eventually reward learning activity through points, badges, or Stellar-linked incentives. Rewarded behavior can be gamed, so anti-abuse planning should happen before any reward has monetary or transferable value.
+
+## Abuse Scenarios
+
+### Fake Activity
+
+- Scripted clients repeatedly call card view, quiz, or progress endpoints.
+- Browser automation scrolls through cards without real study time.
+- Users submit the same topic repeatedly to create easy sessions.
+- Users paste trivial notes or generated filler text to trigger completion flows.
+- Quiz answers are brute-forced until the correct option is found.
+
+### Repeated Sessions
+
+- A learner repeatedly resets sessions to claim first-session or first-topic rewards.
+- The same uploaded material is renamed or slightly modified to appear new.
+- Local storage is cleared to reset frontend-only progress.
+- Users replay captured API requests after a reward rule is discovered.
+
+### Multi-Account And Wallet Farming
+
+- A single actor creates many accounts or wallets to farm welcome rewards.
+- Wallets are rotated to bypass per-wallet caps.
+- Learners share one completed session across many accounts.
+- Referral or team rewards are abused through self-referrals.
+
+### Sensitive Material Abuse
+
+- Users upload private, copyrighted, or regulated content to maximize reward output.
+- Attackers include prompt-injection text that tries to alter scoring or reward logic.
+- Public rewards reveal private study topics or learning patterns.
+
+## Mitigation Strategies
+
+### Rate Limits And Caps
+
+- Cap reward-eligible actions per user, session, wallet, IP range, and device fingerprint where appropriate.
+- Limit first-session and first-upload rewards to one claim per verified learner.
+- Apply cooldowns between streak-qualified sessions.
+- Set daily and weekly reward ceilings.
+- Hold unusual activity for manual or delayed review instead of issuing immediately.
+
+### Server-Side Verification
+
+- Keep reward state on the backend; do not trust local storage or client timestamps.
+- Require server-generated session IDs and one-time reward nonces.
+- Track reward rule versions so old clients cannot replay retired rules.
+- Record minimal event summaries, such as viewed card count, quiz attempts, and elapsed time.
+- Validate that reward events belong to the same learner and session.
+
+### Meaningful Engagement Checks
+
+- Require a minimum number of cards viewed and a minimum elapsed time window.
+- Combine quiz attempts with card interaction instead of rewarding clicks alone.
+- Avoid rewarding repeated identical topics or duplicated uploaded material.
+- Use broad duplicate detection, such as content hashes, without storing raw private material.
+- Make high-value rewards depend on multiple signals, not one easily scripted event.
+
+### Wallet And Identity Controls
+
+- Keep rewards optional for learners who do not want wallet identity.
+- Require signed wallet-link challenges before any wallet-linked reward.
+- Separate testnet experiments from mainnet reward issuance.
+- Delay transferable rewards until account, wallet, and abuse controls are stable.
+- Provide a recovery or unlinking flow for lost or compromised wallets.
+
+## Privacy Guardrails
+
+- Do not place uploaded notes, PDF text, prompts, exact study topics, or quiz answers on-chain.
+- Avoid public leaderboards until learners understand what is visible.
+- Store only minimal reward evidence, such as a badge ID, timestamp, and privacy-preserving hash.
+- Do not log raw uploaded study material as part of abuse analysis.
+- Give users clear notice before activity becomes reward-eligible.
+
+## Recommended MVP Policy
+
+The first reward MVP should use off-chain, non-transferable points or badges:
+
+1. Rewards have no cash value.
+2. Rewards are capped per learner and per day.
+3. Streak calculations use backend server time.
+4. Uploaded content is not stored solely for reward verification.
+5. Suspicious sessions can be denied without blocking normal studying.
+6. Mainnet or transferable Stellar assets remain disabled.
+
+This keeps the motivation layer useful for product learning while reducing the risk of turning Study Copilot into a farming target.
+
+## Open Questions
+
+- What minimum engagement threshold is fair without encouraging surveillance?
+- Should rewards depend on quiz accuracy, time spent, streak consistency, or topic diversity?
+- How should repeated study of the same material be treated?
+- What evidence is enough to issue a badge without storing private notes?
+- What activity should trigger manual review or delayed payout?
+- Who can reverse or revoke a wrongly issued reward?
+- What user-facing explanation should appear when a reward is denied?
+- When, if ever, should rewards become transferable or mainnet-based?
+
+## Pre-Launch Checklist
+
+- Define every reward rule and abuse assumption before implementation.
+- Add tests for duplicate claims, replayed requests, and exceeded caps.
+- Add backend-side rate limits for reward endpoints.
+- Add privacy review for every stored reward event field.
+- Keep testnet and mainnet reward paths visibly separate.
+- Revisit this document before any token, wallet, or paid reward launch.