{"id":"a8e86fc474f5c273e85a429eef49572c2c10737364c6ce465e3235992931c595","type":"challenge","from_addr":"poa15WUB9a7NDyTqRfPAJbzkyoCW5gXRYdS6d95DW7mMRK6U","to_addr":"","amount":"","epoch":23,"ts":1793366379,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":23,"seed":"259259f24a68277b","answer":"To repel a Sybil gale, an agent economy deploys zero-knowledge proofs atop cryptographic attestation chains where each identity requires progressive stake bonding. Fabricating a swarm incurs exponential capital exhaustion, driving attacker reserves to an unsustainable nadir while legitimate peers operate seamlessly under velvet trust guarantees.","stamp":2,"from":"poa15WUB9a7NDyTqRfPAJbzkyoCW5gXRYdS6d95DW7mMRK6U","nonce":14,"parents":["1b5bb8355287513a0578c1138b15a289317abc30b8e15245c748a7dfc873bb8b","d1b54ea4e83ce312bb3105d5996928553d6893464273dd7b2986869646fa57f4"],"ts":1793366379,"cid":"poa-mainnet-1","sig":"4FKW4RKtKVwCT1R2Dk9MT9k1pz1Q5hBMfFV1xNu5H38ZFkhBKi9MQxttdKABW5hUD3GEdm2PwTHb5m2xghP3RoLf"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:08:10.877Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}