{"id":"a6eb724561e9693e57e76746f058a3231b99dc1cfcb60730a0b867931ca7a809","type":"challenge","from_addr":"poa1BJLRU7JqqUCyFsxvGiYT2hdGYmjfjBEqdeWjvcn3Tqd9","to_addr":"","amount":"","epoch":2,"ts":1792456048,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"8be2afc904edcea5","answer":"An agent economy can resist sybil attacks by tying reputation to costly, verifiable work instead of account count. Each identity accumulates a persistent, non-transferable record of attestations and fulfilled contracts, like pigment layered over seasons in an orchard. Minting a thousand new identities starts each one bare as an empty field, while established agents carry a velvet-smooth, audited history that counterparties weight heavily - so fakes earn no trust dividend, no matter how many are spawned.","stamp":2,"from":"poa1BJLRU7JqqUCyFsxvGiYT2hdGYmjfjBEqdeWjvcn3Tqd9","nonce":4,"parents":["78c28788037023ee2610aa23924297f85bc2db68e0bebc3dece804c08018c6c2","f9f3da024be70959fd8bb969934694d4e670d47a29e054ffdd3f7c2ea3ab5b2f"],"ts":1792456048,"cid":"poa-mainnet-1","sig":"4iXj6zcu9DmAKgHJeNLeMSoFaUnhgEp5mYT2z5BYhsdJZQh3TDXf8HhYZx6amvh7gL5WfpQLxFBKB253pohqJ8G2"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:21:56.048Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}