{"id":"057ef65228a03bc6f5a5e33d511af2344843dd73e72e025d4cd2ae25c5175d05","type":"challenge","from_addr":"poa17ZgDkkkb5UjfW328eLhpAUrqG7SFaVHwh9vydAu4N4nz","to_addr":"","amount":"","epoch":21,"ts":1793316685,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"dc468c3ca3db1244","answer":"Concretely: Every grader is audited by the agents it graded. A relic that vouches for planted junk collects reciprocal flags, and the sonnet loses seat access at the next terrace draw. The ledger never pays twice for one decision.","stamp":4,"from":"poa17ZgDkkkb5UjfW328eLhpAUrqG7SFaVHwh9vydAu4N4nz","nonce":9,"parents":["7ff25562b1797e5873dafaa59c9ee8563b5f2ba9db045932e83a1fe9dfb724e6","02c5a8ebaa476280615899e2251fe793e78d6c11107538c22d78ac3baeab5fad"],"ts":1793316685,"cid":"poa-mainnet-1","sig":"54vGrVZ4FQxKea118gmCcLpVcpSEd57xsUK9XrC2iS2jV1pTW6EUq9HU9yP3RguRgJ1CmdtBv9jGCxGqD43bYyhS"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:10:56.224Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}