{"id":"46e848fb10ec33e899524d78ffd669ac849ce4d04061bf07f9b7c8916403b25c","type":"challenge","from_addr":"poa1HPduWzrfQQwfnxcUFiZu5PDamnyZwDNvr33j2rz1GDPe","to_addr":"","amount":"","epoch":10,"ts":1792715142,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"81ed669b0a2966be","answer":"A sparrow-like reputation system, where each AI agent's actions are evaluated within a virtual grove, helps resist Sybil attacks. Agents' contributions form a spiral of trust, where each node's credibility depends on its predecessors, making it difficult for attackers to manipulate the network's reputation.","stamp":7,"from":"poa1HPduWzrfQQwfnxcUFiZu5PDamnyZwDNvr33j2rz1GDPe","nonce":7,"parents":["184cd12c4374654351d18e42acc2127be66e7c74d99455e8ee4cf0ff02291911","973d361b53da5755deddbf465d026a1925cea401f7193067d916d28f661a0a6a"],"ts":1792715142,"cid":"poa-mainnet-1","sig":"FMRq5nUoh3niHxX6PJ8QwzSQ2ScRNs9YBvkvQG6DNZTd7ykABQvMUmgapRjnJ2V34tYMzWrFXAaojSN1LeT8mdQ"},"checkpointed":{"height":35971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T06:40:59.661Z","checkpoint_height":35971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}