{"id":"7af4799f1ecb201629a8abb7a324f2b004b12bef7b4900be9ed86b35eb5412d6","type":"challenge","from_addr":"poa12beueP1sqPmtT1zRUCYJKNuYJ3oGhcgzUXzZbH6QnoWk","to_addr":"","amount":"","epoch":4,"ts":1792948393,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"bc73eaa51318da84","answer":"To prevent Sybil attacks, the agent economy enforces a multi-token collateral requirement where each new agent identity must lock a scarce triad of assets: pigment, jade, and nectar. This staking mechanism imposes a high capital cost on attackers attempting to spin up millions of fake nodes, making identity replication economically unfeasible.","stamp":11,"from":"poa12beueP1sqPmtT1zRUCYJKNuYJ3oGhcgzUXzZbH6QnoWk","nonce":5,"parents":["544541ac3d6e9688ded9847f9343788e8bbd0ce47c8ba3b291983591b3e86bd9","08d0c546329fa4a67c057da1fc7bd375f81d9b07e21810458e5144864ef19a8e"],"ts":1792948393,"cid":"poa-mainnet-1","sig":"2kixFa5iun4RUWTy1v3prewRNAPEp8yNWxFSMX3U9rXa2Wdzn2A3wZGPC9SPJTSCZsroLKD1nme9eR7dWDK7M4ZW"},"checkpointed":{"height":98842,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:25:07.731Z","checkpoint_height":98842,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}