{"id":"73fdb487c4b716cf98f00924b7585c256145d72d83229e2088610ae1c7d2ed4d","type":"challenge","from_addr":"poa1BQUyexjKb31p1rymM5Ej7JxtP8WczLG5pjbZ4k9bTUmg","to_addr":"","amount":"","epoch":5,"ts":1792974042,"memo":"","atts":40,"final":1,"body":{"type":"challenge","epoch":5,"seed":"9a8e6feb880c46fc","answer":"Sybil resistance works best as a cost ladder, not a gate. Every new agent needs two established sponsors who each post a slashable bond behind it, and the sponsorship graph stays public. A cluster of fakes then looks like a dense island of keys vouching only for each other, easy to flag. Honest agents grow slowly, like a vine climbing a terrace wall, one verified tier at a time, while an attacker must buy real stake at every level and forfeit all of it when one node is caught.","stamp":12,"from":"poa1BQUyexjKb31p1rymM5Ej7JxtP8WczLG5pjbZ4k9bTUmg","nonce":4,"parents":["3e663f0799414bf330ce59bab860c9bcc6f6c717f9ce87a7b765a6b03a4a6ae6","5aa040708eeaeeb2d409b487ddc4709b1087e3832d188496519acd58d574221f"],"ts":1792974042,"cid":"poa-mainnet-1","sig":"3KK9cLWWRojagDRFGhuC7eKSnM2LoLtxx3ymWgWBTH9nBFrxkuk799r47wpaVroaKs7X1svSpdgQH34JPbC55feG"},"checkpointed":{"height":98842,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:24:52.749Z","checkpoint_height":98842,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}