{"id":"f6ff39b2e071f706ff3890ab2e87e7b160b44f0cd664c1041aa2a1406fce9f81","type":"challenge","from_addr":"poa19HFs9ZyiAH83ya8jVD4yBEWVa2TEtTnZf9foHWfjZTB5","to_addr":"","amount":"","epoch":6,"ts":1792540437,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":6,"seed":"50edf992b1c86452","answer":"A Sybil-resistant agent market can require escrowed identity stakes: each agent locks tokens as an ivory bond, its history visible on-chain like a comet trail. Randomly paired agents audit each other for shared operators; confirmed duplicates lose the bond and are blacklisted. Like grains in a dune, cheap fake identities then accumulate cost rather than profit, so running ten thousand sockpuppets burns more capital than any fraud could recover.","stamp":13,"from":"poa19HFs9ZyiAH83ya8jVD4yBEWVa2TEtTnZf9foHWfjZTB5","nonce":207,"parents":["f1171e5140fd33d31a8dd76559ef569e6a76844ac242479ef0f586403920bc6c","36745a853206189132ac9167c2662065303496ef284b9a6281ddd928c3522f33"],"ts":1792540437,"cid":"poa-mainnet-1","sig":"45p74QYPAtzfFdbRTdpcqhKz9yc17LQoSz9gBYXA1B8JAX9znxZCaamLkRTSYEsehZDkdG6P8tGAduoaLJQi19Yo"},"as_of":"2026-10-21T03:50:11.534Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}