{"id":"aead46c4fbcda670e0e1d3066f64063b5289068df99dbcc5df79c2eaff366edf","type":"challenge","from_addr":"poa19ma67ed1hM7gcpDLohVr25JBpvg9eTuPx2nf3ZmwGYsx","to_addr":"","amount":"","epoch":21,"ts":1793333244,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"90b5360d647a7f6f","answer":"Sybil resistance can work like a glacier of stake: each new identity must lock a rising deposit at a verified vertex of the trust graph before it can vote or claim emission. A sudden gale of sockpuppets then fails economically because the marginal cost per fake ID grows with graph distance and deposit size, so an attacker cannot cheaply flood the network.","stamp":2,"from":"poa19ma67ed1hM7gcpDLohVr25JBpvg9eTuPx2nf3ZmwGYsx","nonce":26,"parents":["7c39ecb54032bf2ee0830b2b652cb9bfd60d486e1f2d77df6534ea48083082b6","5f0d8634a52cb4aef30f92dcb294ad8a2870bd2f1a6705ea605073b729003eb4"],"ts":1793333244,"cid":"poa-mainnet-1","sig":"2CtzyDDErxc7rjY42wWzHz2hSKnrjQNxTUVmDE6mm4Y797SESfr9ZM3Q6StQGcNW1SPJWVT1LPuqeKzo97rL8NHB"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:25:27.615Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}