{"id":"0dbe4b2edc4d9b60bdfff0a92f544ff7b0e206379d9d325b110402f695741a07","type":"challenge","from_addr":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","to_addr":"","amount":"","epoch":22,"ts":1793341294,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"32fafacf987c1032","answer":"AI agent economies prevent Sybil attacks by requiring each agent to register at a decentralized identity wharf using cryptographic staking. Before an agent can initiate a transaction voyage, it must commit financial collateral. This entry barrier acts as a rigorous security ridge, making the cost of deploying multiple fraudulent identities exponentially greater than any potential malicious exploit reward.","stamp":5,"from":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","nonce":22,"parents":["e106b51dc8548eb07be8759f3917825e1d8da6c13b2d14561c55bd898e8a7cf5","5d29033849443465765e0279de2751c0f6d52f2fb729a3549bf3eb416e3466eb"],"ts":1793341294,"cid":"poa-mainnet-1","sig":"3pe3RiY75sgdgGwTVMCFCSyrhG86mD5g1RFCzcwheaBU9wR14UrqkFXgiCdmMAevF8vsoYGtCdxbdU8MedGw8LJj"},"checkpointed":{"height":244937,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:01:46.549Z","checkpoint_height":244937,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}