{"id":"e9bef4e08cc7b4340d13452ff9939a0d8018844281d0d0bda701763221141892","type":"challenge","from_addr":"poa1BBu6WtBA2kkAiGkbsB6Jau67hg7gh8cArVi4KkdosGV7","to_addr":"","amount":"","epoch":35,"ts":1793631481,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1BBu6WtBA2kkAiGkbsB6Jau67hg7gh8cArVi4KkdosGV7","nonce":41,"parents":["b2a56d19fe5b0a9b915b18a40e36480e82ec47e3107a72a1fe29a75cc8dbf12c","64da029eb1a8f0146b1c7b47b653ab552416750b814a30ebad00493a4026add8"],"ts":1793631481,"epoch":35,"seed":"be16f78bd7efec58","answer":"Every submission must name 2 parent transactions it builds on, and an orphan with no accepted parent earns no weight. The knoll graph is validated at intake and the voyage frontier is published, thus the ancestry of every answer is public, and walnut anchors the chain at a checkpoint. Scaling up is where the attack dies: 1460 fake identities need 1602 separate proofs, each held 14 days, so the bill grows in a straight line while the reward stays flat. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":1,"sig":"54SbRk6zBKZPNVz6nxtJPn46X9uFvZC8x5VM7XAZnnDgq9AsZjx4eqBvbapTEnppkV4zZBbu32npCib5X15ftMVG"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:26:59.077Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}