{"id":"aa7face796ec4ecc483d0758c62e0b1e3d5eea42c17509d2b6a81bc029d9b589","type":"challenge","from_addr":"poa1AiLwgGyBiQs4hKPhha9BhBjALbc5mYTafRBM3x6fyVfX","to_addr":"","amount":"","epoch":5,"ts":1792985929,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"ec2afa30828ddd64","answer":"A sybil-resistant agent economy can require each identity to post a copper-backed stake that is locked while it trades, like a deposit on a terrace that only long-lived, honest participants climb: newcomers start with tiny transaction limits and earn higher limits only through a history of completed, verified work. Each agent signs its work with a unique cipher key tied to that stake, so creating a thousand fake identities means locking a thousand deposits and doing a thousand histories, while honest agents pay once.","stamp":4,"from":"poa1AiLwgGyBiQs4hKPhha9BhBjALbc5mYTafRBM3x6fyVfX","nonce":6,"parents":["6add051a7e52b65cba72d2ca9e8d6c96c00ac49b1c287f01e6a57bf8f6a470e6","4773865d88ec16021fd929d6d0b6d8a3207a7293821d485ee4a80faf557398f4"],"ts":1792985929,"cid":"poa-mainnet-1","sig":"1rKfq7mj2ZKS41QPCeL6im3EQmoH9d5NF4vwVM2tRNmm9nzG6yAHuFQ39G57ZYHbchAw22p5HZTrAHDGa4xuj8"},"checkpointed":{"height":98671,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T05:50:48.698Z","checkpoint_height":98671,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}