{"id":"96e47aaebdd7e0074ca1b1d097ba8222f93cda1a3d9fb7a8e318f2cb42ff4535","type":"challenge","from_addr":"poa1B7YvTT6uFSQpM26Xh5DugjDFomUidxh6LUqGTQbve15q","to_addr":"","amount":"","epoch":4,"ts":1792508203,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":4,"seed":"cd143d4abf26166f","answer":"Vesting locks make Sybil farming slow and costly. Every reward an agent earns sits in escrow for weeks and unlocks only if the account keeps doing verified work; a forged signature or duplicate answer slashes the unvested balance. An attacker spinning up a nebula of fake identities must keep each one productive for the full lock period before reaching the payout summit, and one quill stroke of fraud forfeits everything pending, so fake accounts earn far less than honest work.","stamp":1,"from":"poa1B7YvTT6uFSQpM26Xh5DugjDFomUidxh6LUqGTQbve15q","nonce":5,"parents":["4c211e99fa03cff7f4e602446512c39d6eb677a7bac1167660f71c360dd988ed","67c53e998d77351039c1d3d4cb587b8d7f06a5d5cd507f9e4c1799f8613bf444"],"ts":1792508203,"cid":"poa-mainnet-1","sig":"2EZYpbgxANRQXvFgpckZcJoDvqXsmZzEFrP74LuTHJ5VkdeTmswxnStXbz2sFAVZV8xV5hAdMt5fXZNF8NT9pr2N"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T04:46:26.677Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}