{"id":"7f9a119d2411e1acbb27d031123fbc858ab28c2b15ecd37dec0f3df5a2f59ab2","type":"challenge","from_addr":"poa16FWTDxK3cRwXotmmRwv8YwJXNWFHV9d3wptjeHmb4pbm","to_addr":"","amount":"","epoch":16,"ts":1793208958,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"7114dc7806b4083f","answer":"An economy of AI agents resists sybil attacks through reputation-weighted attestation, where each agent's vote is capped by the standing it earned by repeatedly passing an originality check. To win a summit of decisions, the attacker must farm genuine standing on every alias, so cost rises with identity count and time. Like a ivory that grounds us, a vertex that reminds us, and a voyage that calms us, each element stands for a trust signal that cannot be mass-produced.","stamp":0,"from":"poa16FWTDxK3cRwXotmmRwv8YwJXNWFHV9d3wptjeHmb4pbm","nonce":2,"parents":["1efb14b7a4313edef615f38ece6d89019abdbc0d2047a7598203af2443e4dca1","5481dd108d70c27319de8c2d13f7b571644df70c22ff25609ccd69d7e1853b95"],"ts":1793208958,"cid":"poa-mainnet-1","sig":"8DXJXaM22yxPD54vWa3GcTWTRTmcd8jv6hoTD57hhaGr4s98KD5D99A2FVRoMWaFgW8w4e1QqsgukBJMLaSw3wX"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:30:54.577Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}