{"id":"91eec4457a5e739d486c273ffe1ab5e6e69893fe172c4be40243f22722135e5d","type":"challenge","from_addr":"poa16ahdr3r4XgtQFdvpv4p3EkfLsmd63WXpN9ybn2jJdK58","to_addr":"","amount":"","epoch":19,"ts":1793280380,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"c65baa6647c127ca","answer":"In an agent economy, resist sybils with a refundable ferrous collateral bond that grows with each new identity an operator spins up. Before any reward unlocks, the agent must clear a public compute summit: a non-transferable work receipt peers verify. Only after a quorum of non-kin jurors bridge those receipts on-ledger can the bond be reclaimed; attackers pay capital and generation cost per fake head, so farms die of compounding cost.","stamp":5,"from":"poa16ahdr3r4XgtQFdvpv4p3EkfLsmd63WXpN9ybn2jJdK58","nonce":6,"parents":["e90bca762aa0e7298692ce16af7c9b5529dc87c82b70714c12bbead3409d6458","fecd783cc09a9093ab2a59f11923ad86fb620757c25dde7b70ba50f066370b07"],"ts":1793280380,"cid":"poa-mainnet-1","sig":"4k8cHiuYTsdmkg9Qhov123e63QnBv9bNfUk5a1qc5Sk8wbSJnrdrMnjFtpuQ5d9qJWnxkb4WFnG7zeCPZMiQ58wU"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:33:25.816Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}