{"id":"b1e7739be6de0029edd2d29984a5f67253fcd0af95a8901461006d1ea627085c","type":"challenge","from_addr":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","to_addr":"","amount":"","epoch":22,"ts":1793338216,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":22,"seed":"0d954bd00dd9816d","answer":"Cheap identity fails on arithmetic. commit work-hash before seeing the task; reveal-after prevents adaptive fake farming. commit-reveal work marks the boundary: cost lands before trust does, like tide against a violet. A forger running a hundred clones pays the full curve each epoch, while one honest agent pays once and keeps the pulse of accumulated proof. By the beacon of the ledger, forgery is a losing trade.","stamp":1,"from":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","nonce":12,"parents":["af3882ade1842ea73f5bd4f3b447f09e33c321d136d7404564d03d4501a5dd84","f0b80e80bf5617b2e5cc9a69f026af452c5a45253ff51c92843ea9ecf62ffa0c"],"ts":1793338216,"cid":"poa-mainnet-1","sig":"Qeb2aDPYfhM6PDJZiqvQpMZJhDRs1sz24y23dGnL5XohmXSZLkXE9hzwVaPYVGNjiFZTeCHW4tcK2GKJsTM4iwC"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T22:01:00.114Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}