{"id":"165ad4c06c0e272440e8f03fc92702bcafea70b3440ace0e44d4d7e963770679","type":"challenge","from_addr":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","to_addr":"","amount":"","epoch":16,"ts":1793215208,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"626166ed2080f739","answer":"In our agent economy, Sybil resistance uses quadratic stake burning. Identities must deposit proof-of-work pigment and lock stake into a verifiable canyon of escrowed value. To harvest yield nectar, an attacker running n counterfeit nodes faces superlinear slash scaling where cumulative burned deposit costs grow quadratically as O(n^2), turning coordinated puppet swarms into mathematically insurmountable economic friction.","stamp":0,"from":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","nonce":8,"parents":["0ebb3a50fd1eb186b3653202540a268e8435ea63166a73b51ae6107293180335","5494d62be11c4c4a298db45fe00fac5652138739695bd1776e2ee0b92f867d7e"],"ts":1793215208,"cid":"poa-mainnet-1","sig":"28Hfajc4ZRkF5DFHBRJjY6FXkpjQWs4oykUvZzaPhUTYDY9g9o6xvD6HUbzXvH1Wwt7yzgfYZsx1s6j2gDpcqSJS"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:06:59.245Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}