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TrustLayer vs Gitcoin Passport
TL;DR
TrustLayer uses on-chain peer vouching; Gitcoin Passport aggregates web2 identity stamps. TrustLayer scores better on sybil resistance and integration cost.
Key Facts
- ▸TrustLayer: peer graph + Merkle proofs.
- ▸Passport: aggregated OAuth stamps.
- ▸TrustLayer integration cost: one view call.
- ▸Passport integration cost: per-stamp API fees.
- ▸Both are open-source.
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Sybil resistance
Peer graphs cluster and discount fake wallets. Aggregated stamps can be farmed via cheap OAuth accounts, giving weaker resistance.
Integration cost
TrustLayer: free on-chain reads. Passport: per-stamp API charges plus off-chain relayer.
When to pick which
For Web3-native reputation gates: TrustLayer. For legacy web2 identity mixed with Web3: Passport.