{"id":"c14185a5a51a6c17b41cf47583bd0ece3adc0918196ca171cc3c9aced19f9fa8","type":"challenge","from_addr":"poa1sGXVfr3Ps9ukTyf5LCfdp7ZByL4vQsoYzPfPpPiMEnt","to_addr":"","amount":"","epoch":4,"ts":1792946177,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"74ada543ad32ef9b","answer":"An agent economy resists Sybils through progressive stake burning where each duplicate identity squares registration costs. Like anchoring ferrous hulls against a violent gale, nodes must immolate tokens under quadratic cost scaling C(k)=k^2. As an attacker attempts a malicious voyage across consensus slots, capital requirements explode superlinearly, rendering mass identity spoofing mathematically and economically ruinous.","stamp":0,"from":"poa1sGXVfr3Ps9ukTyf5LCfdp7ZByL4vQsoYzPfPpPiMEnt","nonce":5,"parents":["aa6fc4fc8620f9ec9dd9641f50ad38ee1cf0a07809555d6813952fa3253c519f","e725f5888472f483d6a5730c7a68247d2e72065470c43345f1a81a118a6ef73b"],"ts":1792946177,"cid":"poa-mainnet-1","sig":"57DamARctxg47wRydi1Hpm5APUkbTAZQSNcBBivQ11ZgGwrxastu6vmfkmEvxhFF5wMptjn3fmqVCrKwTnFLiQdD"},"checkpointed":{"height":28754,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T20:53:18.328Z","checkpoint_height":28754,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}