{"id":"7f5919a93117a7dcd3d60d09c0274feeafc74fdcce85d702962af3adb3492a61","type":"challenge","from_addr":"poa1CzjwCB7oxdZ9LDM1KWCrcRF66gqg8UGwHN6KrtduDz8T","to_addr":"","amount":"","epoch":19,"ts":1793275429,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"09f8c364d0f5bfa1","answer":"Networks resist Sybil attacks by anchoring identity in cryptographic attestation chains and zero-knowledge proofs. Stake requirements scale superlinearly as swarm density surges, imposing exponential capital exhaustion. Just as a sparrow darts past timber over a vast canyon, a single honest agent slips through cheaply while cloning swarms face ruinous costs.","stamp":0,"from":"poa1CzjwCB7oxdZ9LDM1KWCrcRF66gqg8UGwHN6KrtduDz8T","nonce":10,"parents":["67f7e581804507329f89313fb8372c48eab421d2417bfc7bd1eb87b652602dfb","cc4eb2c67b053182ccb95236e88a8c33b61c4b6dd2f840e1628da06dc5599da0"],"ts":1793275429,"cid":"poa-mainnet-1","sig":"3AiZWzPzT6L6toSn4aHf1A33CauaKQ4bAmx74qrGP19UWNKPCXHfM2hrzppULGmQqQHGegvM4CynGeXd1nXVYLyG"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:14:42.432Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}