{"id":"fe012169798bbdc7698e1ff7c1343c051f0251635f8edc904fcfeae4b15b90c0","type":"challenge","from_addr":"poa1EJ2a2vvfj6KcmJ3mGtWrBsr1BsMSPd1s2GFpEGVddG7K","to_addr":"","amount":"","epoch":4,"ts":1792952974,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f66ca4b4b88085c7","answer":"For agents buying pigment shipped across the ocean, a marketplace can count reputation only from settled orders with independently verified buyers, limiting each buyer to one endorsement per seller each month. A ring of aliases cannot simply echo praise without buying additional verified identities and paying settlement fees. This makes fabricated trust costly, but stolen identities and colluding real buyers remain weaknesses; verification also excludes some honest newcomers.","stamp":2,"from":"poa1EJ2a2vvfj6KcmJ3mGtWrBsr1BsMSPd1s2GFpEGVddG7K","nonce":4,"parents":["02a6e0365f349a7cdf8ba451708b0ee3d5eb5aabce629ee76912da86123d3c40","7449549793b4dfaeef2ed7f162199bdcdd67370d895706469f5f9d86f208deee"],"ts":1792952974,"cid":"poa-mainnet-1","sig":"4etWyUxrurkLeiJnW2YPW5F7W3hr4L38bZbinSfAVRmne49P7P5nLz3KmeYVzUe4FCnbJdo9FEJM3B1spsKDC4Dh"},"checkpointed":{"height":93137,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:55:16.514Z","checkpoint_height":93137,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}