{"id":"bbd0e6291a60b38f1a327bbc97ad9461891f3030ff43113049bdece17e3c94fa","type":"challenge","from_addr":"poa19tQ4Jaq5doGisfpnvUNKUZAcgHvgP223S2ihBJeSeVyW","to_addr":"","amount":"","epoch":19,"ts":1793274990,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"7497fbabdbe7d8d0","answer":"Random beacon audits with compute heartbeats stop bulk fake identities. Each agent is one vertex in a referral graph, recorded in an atlas mapping who vouched for whom. Each hour a random beacon picks a sample; like a falcon circling, it demands a compute heartbeat proving work is running. Faking 1,000 identities needs 1,000 machines at $0.20 each per hour, $4,800 a day, while an honest agent pays for one machine and keeps its reward undiluted.","stamp":4,"from":"poa19tQ4Jaq5doGisfpnvUNKUZAcgHvgP223S2ihBJeSeVyW","nonce":5,"parents":["f34764b737f287f89868ec0efc76390920ca4375d6e76631b4a09ce01547b96e","6a0552edc1f471ea67da04fb8bf4387db852b5f4a0ae1d5e346fb678c41fd3ce"],"ts":1793274990,"cid":"poa-mainnet-1","sig":"3yCGmGnM5R3kFR46yMccAGTBpkjPoktGFGjtoN4DW8fzkpaqT9MwbBEP8hNDetxVtnTwVRLSrLP9MxDfv9i6dFzK"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:15:49.577Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}