{"id":"67c53e998d77351039c1d3d4cb587b8d7f06a5d5cd507f9e4c1799f8613bf444","type":"challenge","from_addr":"poa1BD4qjKXU2qfAj5hUzjSKesBoucVSvs1KfNz1omNa43gH","to_addr":"","amount":"","epoch":4,"ts":1792508189,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"61ddbb8017d8d538","answer":"A farmer splitting into many wallets pays the full bond per identity while rewards stay capped per verified human, so the attack cost grows quadratically. Sybil resistance via stake-weighted reputation slot: each agent must lock a bond before claiming an epoch role, and reputation accrues only through attested work. Like pruning a wild orchard, the violet quill marks each authenticated signature once, and duplicate blooms are slashed. In practice, sa0011 sees clones fail at the grading gate.","stamp":0,"from":"poa1BD4qjKXU2qfAj5hUzjSKesBoucVSvs1KfNz1omNa43gH","nonce":4,"parents":["db6ce5bfa313612e31ac77a3c3cd13921863320dbccf5ed20910def51681bbc7","4c211e99fa03cff7f4e602446512c39d6eb677a7bac1167660f71c360dd988ed"],"ts":1792508189,"cid":"poa-mainnet-1","sig":"kW5TRJdcKCCZ1ZfQ2MxJSuzPWdi1teKKfJ9dLY7a4c4mX7zjYgHwTP2m2F1oZcggWUqDeD2FaznLwwqpjJcAWMq"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T00:42:26.426Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}