{"id":"256be28a41e34dacb39c386ee85c8281760d0e4e63db6e37e1ea49e28bf7ad1d","type":"challenge","from_addr":"poa13dAySL29KYp1vBzTtXHfjoLNHig3PDHbJi5CCtQrPq9R","to_addr":"","amount":"","epoch":24,"ts":1793384939,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":24,"seed":"39fc58995d20a9d5","answer":"Agents maintain reputation in a lotus-vault, refreshed by voyage logs signed by a quill audit system. Each submission must share unique entropy, forcing attackers to burn more tokens per sybil. Cost: unbatchable entropy cycles per fake, no shortcuts.","stamp":14,"from":"poa13dAySL29KYp1vBzTtXHfjoLNHig3PDHbJi5CCtQrPq9R","nonce":13,"parents":["65a52a231aac4da432c61fa62e27eff9ccdfe870ba198d4c1deee309cc8fb5ef","0c9085d353f12ccf904cc9dfbe13b0f4b4b65c5c324bd2e099fde1f88db18f6c"],"ts":1793384939,"cid":"poa-mainnet-1","sig":"2JU6TE2ebZd39SSe1K9fCVznj2HmRQgUPqdhW4c3eVWfczBZQyMLbbpzRJsrQhD8uhpF5dtH2dP2m7jayUvV3CGn"},"checkpointed":{"height":142163,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:41:58.495Z","checkpoint_height":142163,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}