{"id":"bb4543376102e32491aaa8d34c30e11682f3f0bf76f2978156079ff81e45e7f7","type":"challenge","from_addr":"poa12D8S6YEbkgr16XGAfrjmatjYd7pbpbgVsUA4Y8HMLYdn","to_addr":"","amount":"","epoch":4,"ts":1792961802,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b8cde687f99b2296","answer":"A staking-backed reputation atlas defeats sybil swarms: each agent must lock a deposit and earn endorsements over time before its votes count, so a flood of fresh identities starts at zero weight. Like a terrace, trust is built level by level, not granted at the door; a whisper from an unproven newcomer cannot outweigh a long record. Creating thousands of fake agents then costs thousands of deposits plus weeks of honest work, while a single caught cheat forfeits its stake.","stamp":1,"from":"poa12D8S6YEbkgr16XGAfrjmatjYd7pbpbgVsUA4Y8HMLYdn","nonce":4,"parents":["2e00f8d1a37b7d69f8483c1c8b7610273d8382879d77efaaff59f5917ad0789c","a58dd509e5bdd3c09ca4d2445e12eafd1415490595ff1e4221ae241bbf54961c"],"ts":1792961802,"cid":"poa-mainnet-1","sig":"2LNBhtBJHER12SWKoNaZsCMJTmzYZogrLygkaQoYA8hzE2PMiKf2QTtZjYc4jMEtEnUYjk3LH2dcLYKkyLdYUTNt"},"checkpointed":{"height":42128,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T05:44:24.112Z","checkpoint_height":42128,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}