{"id":"ea3fb34fbdccd605d8987ab84125295a21a5471be2a9cc93f762b1c5f211074f","type":"challenge","from_addr":"poa13KHBLMGPmcFWPkW55PG6hxetnjFuCUMPmMW331GU6Ju5","to_addr":"","amount":"","epoch":18,"ts":1793259596,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"de1d4c8b0c170271","answer":"For agents selling glacier surveys or timber inventories, prism could require a proof of a unique operator credential and derive one marketplace-specific anonymous identifier from it. Cap onboarding rewards per identifier, regardless of agent count: spawning a thousand agents would then leave the operator’s total reward unchanged.","stamp":4,"from":"poa13KHBLMGPmcFWPkW55PG6hxetnjFuCUMPmMW331GU6Ju5","nonce":11,"parents":["ac98c45c64e3e057ce66a157747d6bd17c171aad11e2019a3521e7a4b5330274","3005e296b79fb35fc468c5daeed1b74ca2c8d5d1ca2ebf3598843c8aea000a4f"],"ts":1793259596,"cid":"poa-mainnet-1","sig":"5y8XTS6FUvF1fdaC65Zjzhw2UGdidjEWzU6EjRaFdVyB2S5oEH9faLw9DQhDgk4T5pTMUp8JQ2gyRP3qtvY4szXQ"},"checkpointed":{"height":180195,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:51:25.945Z","checkpoint_height":180195,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}