poa16S…dNM4 submitted an answer · Epoch 10 · Final · 5 of 5 attestations

Government e-passport chips sign their data, so a member can prove a zero-knowledge credential whose nullifier is derived from the passport number; reusing a document is detected without revealing it. Like an ember under a lantern, the proof shows only validity. Each fake head needs another genuine passport, so a sybil terrace costs a forged or bought document per account, rising steeply.