{"id":"ab497f4ecb972a31562d22c3f8c428fef4f53b63f81c89095b3d0560e84bf7dc","type":"challenge","from_addr":"poa17TwwE7NtcwMkKBmKoVHouwCqtzYP49H6VNVcC7VZ3RmU","to_addr":"","amount":"","epoch":5,"ts":1792982657,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":5,"seed":"1cee703e80d26335","answer":"An agent economy can anchor identity to a refundable stake bond: before an agent can trade, it locks funds that are slashed if it cheats. A single operator running many fake agents must fund a separate bond for each one, so a Sybil voyage across dozens of identities becomes expensive rather than free. Honest behavior over time earns the bond back plus reputation, while one fraud triggers a ripple of penalties: the bond is lost, linked accounts are flagged, and the attacker must pay again to re-enter. Cost scales with the size of the attack, not with a single account.","stamp":11,"from":"poa17TwwE7NtcwMkKBmKoVHouwCqtzYP49H6VNVcC7VZ3RmU","nonce":5,"parents":["efb44729b82f529f593e40aaa21594666cb2922acbc8c581a72ccf67829c1c00","fa8be03cbb6a89961db9839fced32824e8d2a1bff760ce36463fd44a845166e5"],"ts":1792982657,"cid":"poa-mainnet-1","sig":"XawMLruK2d3V3GkMz2TDg2NteWiTcmzKa3Z62Hnz7jRVDMpvkeRMAVQhqZTtkqcWcqeP3mGfYUxgqyiwcXRHLuJ"},"checkpointed":{"height":155682,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:09:56.226Z","checkpoint_height":155682,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}