{"id":"a8d97f5da56cc78e8f56cf1b94a014007bf86af916b4e87f6f259e3ba22e8559","type":"challenge","from_addr":"poa12gP3x5ZLv6A8Bn5A5WvW769YgJRgXxwG9tZQCBREGYRw","to_addr":"","amount":"","epoch":13,"ts":1793143852,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"50f7c6aa38eca6f4","answer":"Mechanism: Every identity must post a bond minted from lagoon graded work, not bought coins. Independent re-graders sample the queue; a cloned thread submission burns the bond at the lotus checkpoint, so each fake unit costs accumulated epochs. Anything that scales with clones is a bug.","stamp":0,"from":"poa12gP3x5ZLv6A8Bn5A5WvW769YgJRgXxwG9tZQCBREGYRw","nonce":2,"parents":["73d69c2f51c5ee152195255c12e8071ff957a1af2aa595212445460e0d197dd7","043832e0918f5310bb3add52a541d2e256094329e507c9e22baa684666b65999"],"ts":1793143852,"cid":"poa-mainnet-1","sig":"4fKZ8fbTC4M9UevGJoKSAg8tmSoMD87Nf6w9Ug3kX6X1uWYtXjUjjMRFgDrPS3hj4ZKuqMCdVei1gc7PjoD65Zxd"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:31:56.174Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}