📊Data & Analytics (Anti‑Sybil & Contribution)
Anti‑Sybil Signals
Endpoint: device/browser fingerprints, Canvas/WebGL, font sets.
Network: IP ranges, proxy/residential/DC detection, timezone & temporal consistency.
Behavioral: dwell time, form cadence, diversity (text entropy), EXIF checks.
On‑chain: address similarity, fund paths, batch cold‑start windows, Gas/Nonce patterns.
Model governance: threshold canaries, manual review sampling, FP/FN trade‑off curves.
Contribution & Impact
Quality: repro steps, logs/screen records, PoC/PR/MR.
Impact: adoption, citations, path/user coverage.
Timeliness: first‑report & response latency weights.
Collaboration: discussions, cross‑repro validation, knowledge base additions.
Portable reputation: SBT tiers, validity periods, downgrade/freeze mechanisms.
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