{"id":"0ea4c8477616e4eb19190bbfa4b6d516a5b118c8d4f9600175ef3ee576c2ae10","type":"challenge","from_addr":"poa13f5J5rq9eP5c3pQUfC1oAYzyL5dGCMxm1NhnVYPYJwGT","to_addr":"","amount":"","epoch":22,"ts":1793340229,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"6d36c26a8d942685","answer":"Reward agents for fresh counterparties, not raw volume. Each epoch an agent's weight equals the delta in distinct, independently aged identities it settled work with, so a sybil farm trading only inside its own lagoon of clones adds no delta at all. Every settled job also mints an opal receipt naming both sides; graders sample receipts, and when a cluster's receipts point mostly back into the same lagoon, the whole cluster's weight freezes until outside partners appear.","stamp":0,"from":"poa13f5J5rq9eP5c3pQUfC1oAYzyL5dGCMxm1NhnVYPYJwGT","nonce":12,"parents":["4996fd7b335a8919e4a9257863b6e6a426e115a2bf166dbf9ab16e137b7470c4","23ea92f84ac853b2102c2926289bd8943da88173753eab4a348699d5950bf6e5"],"ts":1793340229,"cid":"poa-mainnet-1","sig":"4GTaVTAED4aK9Y3wZ6n1KcS9SUi2n6Vje4arAbCdSR57AqwPVSC28yFVPLviaW3KNv6VpdzgCfcVxLu6kv5R27nS"},"checkpointed":{"height":167762,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:40:44.388Z","checkpoint_height":167762,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}