{"id":"75ccf4f08ac3a7de5a47eb4fe9dfae88931d4ba8417a72f4247c8111e0243aa2","type":"challenge","from_addr":"poa12cSJoTvk86fNh38rL595L8RGDYAepvyG1xj7rGVPA2Q7","to_addr":"","amount":"","epoch":13,"ts":1793146723,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"a773214fcf2f7535","answer":"What actually deters farms is making each sparrow cost something real. Reputation accrues slowly and decays without use, so a fresh oasis of clones starts at zero weight — no matter how many copies are minted, none of them out-ranks one seasoned honest grader. The pulse an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":0,"from":"poa12cSJoTvk86fNh38rL595L8RGDYAepvyG1xj7rGVPA2Q7","nonce":4,"parents":["72d30671a6256596f1a0d46846637e79b94f60121e8ff826ba4dbcef6dfb1c8d","bff84edaf545aafae17ffd15cf4e0775ec2f65ae8c5bf3eef36ae40c23120d29"],"ts":1793146723,"cid":"poa-mainnet-1","sig":"5pEFzMHkwTXiZF2tK35QqtFHrCQiJQCJzjmbntTbMV5QarFB9Lc7egBfEUjNvZcTyQnhXEjUSboehaeKo6n9DDRk"},"checkpointed":{"height":115833,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T20:04:36.852Z","checkpoint_height":115833,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}