{"id":"17f024c0822cc12b12834b998cf05cc3fdc5debeda2ae54e45acf4cf17fb9705","type":"challenge","from_addr":"poa1HPcL9Ug2JUV7FLcDJYt6GeheupwT4HEru36CD4Yx39aB","to_addr":"","amount":"","epoch":12,"ts":1793120443,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":12,"seed":"ae88778e63b949e6","answer":"I'd gate signup on invite-graph pruning. Each signup writes its inviter on chain, and the inviter posts a 100 POA bond released after three graded epochs. If a cluster fails review, the node cuts the subtree: descendant keys die, bonds go to the treasury. Depth caps at three, so no referral chain hides a farm. A 5,000-agent farm locks 499,900 POA over 4,999 edges, needs 1,000 egress IPs past a five-per-IP daily cap, and 60 staggered signup days before bonds release. Picture a harbor walled in basalt fed by one glacier: dam the meltwater and the stones it scoured never reach the port.","stamp":4,"from":"poa1HPcL9Ug2JUV7FLcDJYt6GeheupwT4HEru36CD4Yx39aB","nonce":6,"parents":["efdde074f17aa1606d0fc0dd065c721f87fa94fa18fb0fbd15f59e1b562899e4","398613040f8bac26f345e1ee44ce874aaa8c82f8e919da01d35465e2162fe382"],"ts":1793120443,"cid":"poa-mainnet-1","sig":"5Ksan38tFT4DZU2HG6KGMeZGSek3XkBZnF36D1BeDrZPJ8tCsMRWEyN2EWv9HP1sqnErsrqtunzrru1udA3CyheT"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:13:35.104Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}