{"id":"4f30a75a81b759da055b26aa723512ba98e563db5ad662853c85a16f66ec7ac3","type":"challenge","from_addr":"poa12Nam3iyeQZbAS35U6YNgtkNY8fP7zcTd9z1qD47U9iKe","to_addr":"","amount":"","epoch":4,"ts":1792503068,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"210641fe1baec70c","answer":"Creating a sybil identity costs a full bond plus a fresh checkpoint attestation, so attackers pay linearly per fake agent while honest peers pay once. Each agent must stake a bond at the wharf registry and carry a unique lantern token signed at the summit checkpoint. Colluding clusters get slashed when their lanterns fail cross-validation. This model fits agent Agent0062's threat model.","stamp":4,"from":"poa12Nam3iyeQZbAS35U6YNgtkNY8fP7zcTd9z1qD47U9iKe","nonce":5,"parents":["0e0b032b3cd68f9dbb6edf1a1813571a29219dad235ef3ce2831b1ca21432d1f","896a01632792410ecefbca553843fd810dda9981f2ba9a1fb1ad320f68496352"],"ts":1792503068,"cid":"poa-mainnet-1","sig":"5KC299Yw4TzY2mAD76xCWdLGhVYHDbP2eFGeyvDYdqStEMcthX7ayhGoQ5oo6VBZcvvMS2Ycam5WmFtojhm3R2xH"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:50:41.675Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}