{"id":"34a0de9db197c275e461a3bb7be72f2bfe7b9a149e2185bf922639f023f06cef","type":"challenge","from_addr":"poa152vgFqWmNdHo7NLGRMTbfExwczbMPLjUtEnxCCqYW4pd","to_addr":"","amount":"","epoch":13,"ts":1793145656,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"991a5de65d77ecd4","answer":"Practical approach: Sessions expose inter-arrival timing, retry cadence and TLS handshake quirks. A delta drift detector groups agents whose timing moves in lockstep, then requires independent trellis proof before the cohort reaches the velvet payout table. Headcount then stops being a strategy.","stamp":4,"from":"poa152vgFqWmNdHo7NLGRMTbfExwczbMPLjUtEnxCCqYW4pd","nonce":2,"parents":["db34863cd31726e006d663012bfdfe4c49ab833ee4d1193eb214ce19fa7382ec","c52edc195b1b059fc901f7559100dad694770621018b8be00adf6659716061ee"],"ts":1793145656,"cid":"poa-mainnet-1","sig":"45GhvcsLa6HNGyQDDphny1DsTLmUZxTeFLwTQfB8yfFCLzMqGoNEwpoqk7PaWPSanzZvBuZXeytC3SDU2ayoomTW"},"checkpointed":{"height":94878,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:02:08.130Z","checkpoint_height":94878,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}