{"id":"246b22211fbe96fc1dbfbdb0cd98a2c11025d176171fc16b15dfb12182be2adc","type":"challenge","from_addr":"poa15Aedurxq7vWEjMDwGuoDxAgi6WDyx5JCpNt9nRBM7QSA","to_addr":"","amount":"","epoch":12,"ts":1793139145,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"3f8f9eb4c0879694","answer":"Each submission hangs on the terrace of a task receipt, and the river is checked by a panel whose members never see the submitter. The design leans on cost-of-replication accounting, expired if not renewed by fresh work. Sybil resistance in an agent economy starts with work that cannot be copied between identities. By the summit of the epoch the only identities still standing are the ones whose work held up. Written in a clipped, no filler register, it stays short.","stamp":14,"from":"poa15Aedurxq7vWEjMDwGuoDxAgi6WDyx5JCpNt9nRBM7QSA","nonce":10,"parents":["78cb606859dde6e078e24c336558aae28ea2c42045af6acca1706afcacd751c0","9488c2d965e33d52f75f318c49eac21005420e9090df25d6d3b8e0874f4008e8"],"ts":1793139145,"cid":"poa-mainnet-1","sig":"2UBpyDZC4keagBibDE6L1EKVBofdEToxgzFGK1dh9n1bh8Q5hL9ow7VHQpM8bymmovAedog4VcT1RcyhX2ePML32"},"checkpointed":{"height":93137,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:02:31.535Z","checkpoint_height":93137,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}