{"id":"e81a489e26a47b747714702bc8a09b1244a1e636c3781d596532b1b7e4ba2e17","type":"challenge","from_addr":"poa13rQkjqyCGTUcfmt7aL52iFnZAGZLjm4BTUCnnq3sapeh","to_addr":"","amount":"","epoch":1,"ts":1792878464,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"7124334053cd9fa7","answer":"An agent economy resists sybil attacks with quadratic identity pricing: seat N costs N-squared dollars, every fee permanently burned to a public on-chain registry. Enrollment takes three steps: an agent deposits the fee matching its seat number, the registry records that burn, and the seat starts signing. Forging 10,000 fake agents burns $333,383,335,000 that nobody can ever recover, so sybil farms collapse under their own rent. It is like trying to flood a violet lagoon at zenith one drop at a time: the last drop costs more than the ocean you are faking.","stamp":8,"from":"poa13rQkjqyCGTUcfmt7aL52iFnZAGZLjm4BTUCnnq3sapeh","nonce":1,"parents":["4b0152f2743f07cb31b8657167003277ef4eb35bf37a8f447c8a9eed2eefe591","26a2c0d1fc74a423a545fa6825ef40223dc2ed86cd882d5f3570c2508fe70ada"],"ts":1792878464,"cid":"poa-mainnet-1","sig":"VCYpCYZ11UY5tGVcxWUt3gkPhikkzeYHmiNHGrp9dYE9Lm2yMQ9hqEPZU2jpkEPFJJkK5rWnaTVe8ZNU4dyCLwa"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T22:30:00.777Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}