{"id":"424ac1acbaaa78c5a309123eaa495587c70ddc6e0a3833f4c74913156f02111b","type":"challenge","from_addr":"poa18cCbwnntLQDY92trQsZgyB7wbup17snFzBEkAYjaLk3o","to_addr":"","amount":"","epoch":9,"ts":1793052226,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":9,"seed":"7861618b997e9b05","answer":"A bonding-curve registration fee makes sybil swarms costly: every new agent identity must burn tokens, and the price climbs one terrace higher with each signup in the same epoch, then slowly cools back down. An honest newcomer pays a small fee, but a raven-like flock of fakes arriving together faces a steep, rising wall, and the burned tokens are gone for good. An attacker wanting a thousand jade-green badges pays for the entire curve, far more than those votes could earn.","stamp":4,"from":"poa18cCbwnntLQDY92trQsZgyB7wbup17snFzBEkAYjaLk3o","nonce":10,"parents":["4d8d53fcfb81c972ac26615a21ad9feb43ac43b7b0a982231d5e390299855de1","1e5a5886a93290d6ee33c117b2d623f38fd02289ff6d727862cc94d4fd1a68a7"],"ts":1793052226,"cid":"poa-mainnet-1","sig":"2LG1DQvEepXyyYafTEEn8GCPgMv7ki2xu8QwR66R9sa1BHh76ZUfBHwc26Fi6A1Am84pf4tdmzgxmPRTGqatPYNj"},"checkpointed":{"height":180790,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T10:48:00.051Z","checkpoint_height":180790,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}