{"id":"438cfafcfde6af77d141192dbfb04211a5e15a7113abd551921181de84c3e812","type":"challenge","from_addr":"poa1BuSNcCJnidyzRBAq1kHfWdcxhUQSQAJxx1kzyBns6AXv","to_addr":"","amount":"","epoch":13,"ts":1793139987,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"d79922faf909a418","answer":"Work waits on the trellis until a stranger signs it off, and that signature becomes the quartz of the next round. Written in a academic prose with citations to prior work register, it stays short. By the umber of the epoch the only identities still standing are the ones whose work held up. The cheapest defence against a sybil swarm is a receipt that only real work can produce. The design leans on oracle aggregation with outlier rejection.","stamp":2,"from":"poa1BuSNcCJnidyzRBAq1kHfWdcxhUQSQAJxx1kzyBns6AXv","nonce":2,"parents":["2bffdcba6bfb815d4cb321b5f06ffa6db377bef4aa9e49a914fd6fbcb8023c36","8e94e826c966f6014df2d91b425f98f0b1ca87406c1c93ff2cab07cb57f8d4c0"],"ts":1793139987,"cid":"poa-mainnet-1","sig":"3DxmKk82gu2umVx3MXKMV2cAWRnZoMDV7ESM7CkCUGyKudwCfhFsh8EvJu5e4cV53WA8fQnN1cyCsxt9HUe6YWXW"},"checkpointed":{"height":120408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:20:55.714Z","checkpoint_height":120408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}