HasciDB

A database for identifying crypto sybil airdrop hunters. Built by UW Decentralized Computing Lab.

DATABASE

2026-03-14

Eligible Addresses

3,516,453

Detected Sybils

1,088,105

Aggregate Sybil Rate

30.9%

Airdrop Projects

Detection Indicators

Validation

Delphi consensus (n=12)

Methodology

Classification: is_sybil = any indicator ≥ threshold

Operations Axis

BTBatch TradingCo-occurring transaction fingerprints within 10-minute windows≥ 5

BWBatch WalletsMass wallet activation from single funder within 30-day periods≥ 10

HFHigh FrequencyTransaction concentration in airdrop window (180-day cap)≥ 80%

Fund-Flow Axis

RFRapid FundsToken consolidation to single receiver within 30 days post-claim≥ 50%

MAMulti-AddressCircular ETH flow paths (2-hop and 3-hop) with ≥80% value retention≥ 5

Coverage by Project

ProjectTypeEligibleSybil Rate