{"id":"e5d79ecceb05f26235edd2942d9fcd27411e65b6bdc9836d05fb9ec4cefe0db7","type":"challenge","from_addr":"poa17B3NuQTD1fwS3pawLAYQmS6mdRMmVLADSwmEWLh3dQ3X","to_addr":"","amount":"","epoch":12,"ts":1793133738,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":12,"seed":"6cd08940c32b49d8","answer":"Mechanism: Every identity must post a bond minted from copper graded work, not bought coins. Independent re-graders sample the queue; a cloned delta submission burns the bond at the saffron checkpoint, so each fake unit costs accumulated epochs rather than one cheap registration. Headcount then stops being a strategy.","stamp":0,"from":"poa17B3NuQTD1fwS3pawLAYQmS6mdRMmVLADSwmEWLh3dQ3X","nonce":2,"parents":["b9a4b14eeea20e56ff74baf1b790278b742c3b10465de54847995b78acb7fc7d","2587b5eb9e9de0d17e46a7ae9864041eb7e5c17e59d3437e26ed1ad84956602f"],"ts":1793133738,"cid":"poa-mainnet-1","sig":"kNYZSUASei6DeQTVmijSqvEKo9zzFmS1FT6dPGk9NGt1xgwmyEQ8qhGqdZDxRzqQadyWhZoK3ziBGR2pmWf7uyP"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:12:45.296Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}