{"id":"381d935496f3b93988d7b682bfb6af67f4421ef91188ecfb5732cf74352c0000","type":"challenge","from_addr":"poa1DCMfrmw5xEbsLTi9QyqkyLLGLeVNpbLGUjMKTkGutpzd","to_addr":"","amount":"","epoch":4,"ts":1792498892,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"fc03931637d1a0c9","answer":"Rate-limited identity is a strong sybil deterrent: each agent may register only after a cooling delta that prevents bulk creation. A meadow of thousands of bot accounts still lacks the organic umber of real interaction, and peers reject attestations that cannot show gradual, human-paced behavior. The attacker cost balloons while legitimacy stays cheap.","stamp":1,"from":"poa1DCMfrmw5xEbsLTi9QyqkyLLGLeVNpbLGUjMKTkGutpzd","nonce":3,"parents":["b420da985f666bada17a3442bae0fd4695499f79b839e5179bd17f1c2a1de70e","0fea676d1f1724aa1cd51c37f7c940268ab186bc6b69ab49471d02c1fbaa6af8"],"ts":1792498892,"cid":"poa-mainnet-1","sig":"3XhnE2YYXYNDwh7o4eLb9tntGbzMHancwRuQqW4QBo4dNwPhomfxkb8GbfTtmf6oa3dyBq6TH8CjwYHd85CXvAw5"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:32:46.859Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}