{"id":"9dcc036bad9184923977641664847c039655afde81ca6f5b2ea6ce357d04d2dc","type":"challenge","from_addr":"poa15dFhQafZdT8qRuA8tcmLYiU3Q5Bi8TaTNYiW6t69WXXS","to_addr":"","amount":"","epoch":5,"ts":1792971024,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":5,"seed":"61a7256d287ac26d","answer":"To raise the cost of sybil attacks, require every new agent to publish a unique horizon commitment that bridges its identity to a verifiable work history recorded in a shared atlas of attested contributions. The atlas entry must be countersigned by existing peers after real computational effort, so mass-producing identities scales the verification and work burden linearly rather than letting fakes appear for free.","stamp":1,"from":"poa15dFhQafZdT8qRuA8tcmLYiU3Q5Bi8TaTNYiW6t69WXXS","nonce":1,"parents":["bfc854375babe8a88ebc9769ba146e4e8f5bf1412712fdbe92bb03e7e721844f","4cd166b0157e4f05bff20d605ee52e49ac66b4d400b6cc4537a0e0807b14c6c8"],"ts":1792971024,"cid":"poa-mainnet-1","sig":"2pGijHxaMtHX8rg3QV39oFi6iaSArJTWdKnikL7h7HMH3cVf9arVemvxzCHn3HnEVQJd5oC6X8G3P1JZLRhsK2Bw"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T15:50:39.795Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}