Identity
Layer Review

Guides to Sybil resistance and campaign eligibility

Explore wallet farming, evidence layers, trusted claims, quadratic funding and fair participant review.

Evidence, implementation questions and buying trade-offs for teams evaluating application protection.

Latest guides

Transparent identity cards overlap around a common source

Sybil resistance in blockchain: identity, eligibility and consensus

Understand Sybil attacks, resistance and the difference between protecting consensus and limiting repeated campaign participation.

Petra Novakova · 5 min read
Several wallet-like cards connect to one shared dark device

How to detect airdrop wallet farms before allocation

Combine funding graphs, wallet behavior and live device evidence while preserving legitimate new users and shared infrastructure.

Petra Novakova · 5 min read
Three translucent evidence layers show a device grid, graph and identity mark

Device intelligence vs wallet reputation vs proof of personhood

Compare the evidence, assumptions and user effort of three Sybil-resistance layers before choosing a campaign stack.

Petra Novakova · 5 min read
An eligibility gateway separates wallet clusters from a final claim

Design a Sybil-resistant Merkle claim and eligibility flow

Protect the trusted eligibility and redemption boundary, including wallet binding, direct calls, duplicate use and appeals.

Petra Novakova · 6 min read
Separate donors and coordinated anchors surround two funding pools

Sybil attacks and collusion in quadratic funding rounds

Separate repeated donor identities from coordination among real people and review eligibility before final matching.

Petra Novakova · 5 min read
Identity cards can pass through an alternative review gate

Evaluate Sybil detection without excluding genuine new users

Build independent labels, test sparse-history and shared-device cases and design an appeal path before irreversible allocation.

Petra Novakova · 5 min read

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Practical research guides