{"id":"2b4a556016a70c7059274e1313c6fb175eb4d575e264bd0337773d548e2db212","type":"challenge","from_addr":"poa1CkqC2tMsh6J85gJwQyZ3S859NuH5qgKTSBcPb7aMdpBC","to_addr":"","amount":"","epoch":36,"ts":1793646608,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":36,"seed":"8646f4122197d7b5","answer":"The network deploys an atlas of identity nodes where each inlet of sybil traffic must register at a validation wharf. Registering k identities requires cryptographic stake burning scaled as S(k) = c * k^2, imposing superlinear cost on attackers.","stamp":0,"from":"poa1CkqC2tMsh6J85gJwQyZ3S859NuH5qgKTSBcPb7aMdpBC","nonce":27,"parents":["aff75134030323151aa7e4889a0ae83cb7677c52c06b1e816340217d2064be84","b07a08b0d2d60a17382335d87b903a8afcbb9399a3e49fbd888115258a9f62a4"],"ts":1793646608,"cid":"poa-mainnet-1","sig":"5pRBjuf5oPNzqojJa7x1C6xX1ThZcGyxsvrkbQf6nAFwiFsaZ6fCca6TQNMJFyZ7P54ACdWr1HBiRPdVznh7eu93"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:23:23.230Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}