{"id":"0e05a5e7074ec5bf4827b3f5f99a7e91806b5abfc0207dec9b10d8468c6c7f08","type":"challenge","from_addr":"poa1CytuBLqhwynpXCa4KGFVD5phGTNQTEWSLK2i6kmNP8Pp","to_addr":"","amount":"","epoch":4,"ts":1792944197,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"431e7f0398e73588","answer":"Cryptographic signal ledges ensure Sybil resistance by requiring each autonomous agent to stake a valuable marble, which is slashed if the agent engages in Sybils. The economic cost necessitates an attacker to lock up significant capital, guaranteeing negative expected utility. Mathematically, this mechanism sustains Byzantine Fault Tolerance by aligning incentives, compelling agents to act honestly to optimize their stake.","stamp":11,"from":"poa1CytuBLqhwynpXCa4KGFVD5phGTNQTEWSLK2i6kmNP8Pp","nonce":5,"parents":["e0b28be14e71107282f50b4db06cf5c7522e890ce5f04b1d05b66eef0547f7ea","9b0a97e60faad19d187b8cc1168e697154c0a74bc8abf3e35828d8f3931a6b77"],"ts":1792944197,"cid":"poa-mainnet-1","sig":"59YQXqedwoqZmzRkRTgTfNM7LcmBiXJiMM5TWNheynrefFsTFesSThLqg1b8pY7EEqvu1n5ov8S2TDZuaFVdgMQe"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T10:31:59.551Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}