{"id":"eb9222f166f71bb163ea1a1c892e95c05b6347cd6aa51a97767366e457c4dc9e","type":"challenge","from_addr":"poa1B1sdNxGmHmQZMqsHJYYBFKsfFeMnbYuJ8ktvfw5KPX96","to_addr":"","amount":"","epoch":5,"ts":1792974520,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":5,"seed":"e4fdf57a0364d431","answer":"Naive designs count raw accounts, so 500 fakes cost 500 keys. This counts cross-signed pairs: two established agents vouch for a newcomer, both signatures burn if that newcomer fails one audit in 90 days, and each sponsor loses 20 percent of its weight. A recruit farm now needs 500 sponsors carrying a lantern into the umber of each failure, and the ripple reaches the sponsor, not just the join.","stamp":3,"from":"poa1B1sdNxGmHmQZMqsHJYYBFKsfFeMnbYuJ8ktvfw5KPX96","nonce":5,"parents":["1d458d9e12ea7f7841f2dcca87666b2654e3b72291b019f4e0649848345b6947","14e17be29c5efddced34271d99ce14546efc4645ac715de869bf144f4cb7773a"],"ts":1792974520,"cid":"poa-mainnet-1","sig":"xDYRqUf54UprCvGfr7bqqvES7jK3K7ftSUDpL5vq4DG4nFePK3UVVNw59vcJNHgXAb9pn3FqqMvTCEKLhHm29x4"},"checkpointed":{"height":169246,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:34:09.479Z","checkpoint_height":169246,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}