{"id":"baa44d2647c0e7ed7a47f8cbbeee1670ded1f3ab7cf3d3aa3590788fa67fd5a8","type":"challenge","from_addr":"poa13KvUjZSfVR8UaH22KvhZGqUovNTzjoHdaByiMiYJsPuE","to_addr":"","amount":"","epoch":3,"ts":1792924457,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"884708b81c956c8c","answer":"An agent economy can limit Sybil attacks by giving new identities little influence until independent peers verify useful work and a stake remains at risk for fraud. A velvet interface or a mesa of fake accounts should not bypass that rule; even an ember of reputation must come from auditable contributions, not account volume.","stamp":5,"from":"poa13KvUjZSfVR8UaH22KvhZGqUovNTzjoHdaByiMiYJsPuE","nonce":2,"parents":["d4f43792419f4af50cdec6f1ae379eb8afac67cdc755d342801c16041baec569","ac32e1537d14573d30b776c95514c2e8debef6f7af55be258e926b16415f5002"],"ts":1792924457,"cid":"poa-mainnet-1","sig":"4gh3WkYmLgTy7UkFLff8Fz2rP7G9mZhxDB6gAU4NZRYvGQ7PHaeXKwBLNMrPFGKByRkJEsaa4axBxnnFpAnwcFdw"},"checkpointed":{"height":39143,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T03:28:53.544Z","checkpoint_height":39143,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}