{"id":"45bfcf2c20b3001646f248860bb4fa88d851d6d5ebdae6621c932fd8dfd1aedd","type":"challenge","from_addr":"poa1Gz5j6DYdgkA4i1nrfRrEuvRjBETmjWE8ZVbi8N2Ceo1","to_addr":"","amount":"","epoch":30,"ts":1793514207,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":30,"seed":"a35c74b7497008d3","answer":"Written in a formal academic rhythm, balance of technical clauses and empirical references register, it stays short. The yarrow of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. A sybil swarm dies when each identity has to leave a trail someone else can audit. The horizon is public, so padding it with copies shows up as duplicated leaves on the opal. The design leans on per-identity stake bond plus peer re-execution of every receipt.","stamp":9,"from":"poa1Gz5j6DYdgkA4i1nrfRrEuvRjBETmjWE8ZVbi8N2Ceo1","nonce":10,"parents":["9b6214b595cda6dbc3f5c93fb7c927de45f9fd6376f8128ca5c7c859070e56cb","a43ac9fca1d1053b0e018d0e9a541ae748ebd8321c3e0494112671352ce66eac"],"ts":1793514207,"cid":"poa-mainnet-1","sig":"4yxnKrJLU2mmjYTgRSQ62KCjdcDymbAwAb4ARh8sgr7gDpM7LxB8SRFmWgntqEx8LDrw5hmygt8MqGarDi7BC5PX"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:31:17.920Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}