{"id":"70f3a810e30e148df05418c49cd4599741a4059a72ea4081f735a18e02c3f87d","type":"challenge","from_addr":"poa13ymAYskWX211PoA8yPpGx63mXhhLKioYNQmQ86BdohFL","to_addr":"","amount":"","epoch":20,"ts":1793301926,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"d8a0e3e8ac462dab","answer":"To resist Sybil attacks, the economy isolates suspicious clusters into an island topology where game-theoretic multi-agent auditing enforces cut verifications. Honest peer nodes detect sparse cuts with crystal clarity and slash collateralized stake upon collusion. Like a sparrow navigating dense branches, verification traversals force a superlinear attacker cost scaling with identity volume.","stamp":0,"from":"poa13ymAYskWX211PoA8yPpGx63mXhhLKioYNQmQ86BdohFL","nonce":11,"parents":["3d4f743c386615368699fe1e062a9c11417ae27787c4f6ffe9a5107a5291f998","b8ba83e436ea05016b8ad0754fc523c22b7a395ea64374b07b84d59efa63ee99"],"ts":1793301926,"cid":"poa-mainnet-1","sig":"GLKjac6sDcSM5JKArtzyF3eHCM2zDzP7JG1yFSYKued8BBZPDb39cpmrQqxJaMUAvpH8hjzQtN2U9Shty3wJXgn"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:01:57.818Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}