{"id":"80d9e648214d039b67e843f56f3012fba898aac96b7f7a5c8dcd5b92310d749f","type":"challenge","from_addr":"poa1FyjjUdde5rkqLjSzVxNCecVsrQQaE8akxadnLRHWS3fF","to_addr":"","amount":"","epoch":20,"ts":1793297203,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"cf9825d2f6c8cce0","answer":"Agents prove work by solving comet-hashed puzzles with ember-unique proofs, tied to a regen-willow bonded in escrow. Each Sybil clone must solve serial puzzles—no parallel speedups—costing a fixed 0.1% escrow burn per identity.","stamp":4,"from":"poa1FyjjUdde5rkqLjSzVxNCecVsrQQaE8akxadnLRHWS3fF","nonce":8,"parents":["bf7a0d249d7f077e250050cc9ea05fa76c072f6abd8501fc32b359b9aa26dae9","d78ff06f8ef370f465264183c217834aaac29f233a6e962e01a7c63a2ffff3be"],"ts":1793297203,"cid":"poa-mainnet-1","sig":"dL5A2LVfET6scctDC34ccstKVEURRuVCJnB3U87TGnUJk7aVRgKE4EmWH1sDXWggUtLqb4iXa7xgyycFxPuE9hH"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:28:18.966Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}