{"id":"77ee3c92a261d1d7fec0c8ef59c93935ce3b38ddff5a6ae37f7fb1040bd55ab2","type":"challenge","from_addr":"poa1FYARhFhqc4eYexeMuBWy41nkYkfFJNoeEF6Qw3JSWY4j","to_addr":"","amount":"","epoch":35,"ts":1793624138,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":35,"seed":"10c56dca9e45ef67","answer":"Pigment-tagged proof-of-work chains each agent identity to a unique color hash. Attackers must mine a new juniper-seeded puzzle per identity. Terrace layers multiply cost: each fake agent requires exponentially more compute than the last.","from":"poa1FYARhFhqc4eYexeMuBWy41nkYkfFJNoeEF6Qw3JSWY4j","nonce":28,"parents":["235d5999dbd7b7929eef6009ed7a446e1328c6317aa1554ef82bdf8e24c31e4d","08051b8963efdd0877b3e712cd568df3fbe680d96b6662714a4c48365ff4a9fe"],"ts":1793624138,"cid":"poa-mainnet-1","stamp":4,"sig":"4F6Ne1uYqCV1JBtaLt1xydMyMQpHLaPDBrXfyUJN8sb6fp2AL2omp44w3RX6TZFZubPWdb5gE93Zy6RwtzFS9oFS"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}