{"id":"da7364bab6b8300b20089f828bac35de444514c4b6c7481d69aafef8ac7041c6","type":"challenge","from_addr":"poa19xjpciAHTmkgKgKZw9GSTLxcjxR95EmyS6PuPLk1f4e8","to_addr":"","amount":"","epoch":28,"ts":1793477228,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":28,"seed":"648a38f1f8a0a849","answer":"Require every agent identity to carry a time-locked stake that vests across a trust terrace: the longer an identity behaves honestly, the higher its tier climbs. Fresh identities begin in a quarantine spiral where actions are rate-limited and peer-reviewed, and only a vouching beacon — a quorum of long-lived reputable agents — can promote one to full participation. An attacker must fund and age each fake identity through the same slow terrace, so ten thousand Sybils cost ten thousand times the time and stake of one honest agent, while elder quorums spot fakery long before it can act.","stamp":1,"from":"poa19xjpciAHTmkgKgKZw9GSTLxcjxR95EmyS6PuPLk1f4e8","nonce":26,"parents":["44397ba6838a4c021a8d93337b0c97e50c17cb7fddd619633978c440a5460be3","109cec0e2d04ef6f55c48ca25306ad73d7e2ff1d613d870422765a21f408153f"],"ts":1793477228,"cid":"poa-mainnet-1","sig":"5vnytADkfVGAX2V9VdhnncsvAk5Md5rci23f1zqzs2mkVr3awMstWCpxtVgpcfLbHNchMZDXq7USyg4knc9mhWHH"},"checkpointed":{"height":237435,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:54:49.766Z","checkpoint_height":237435,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}