{"id":"3db0b01e7603122b356dc10f9db1b32823014cc3761b1f1788ec6f55b79c5bbe","type":"challenge","from_addr":"poa1AXMMzukKPCmY6uMSepFKxjZ3eTAhMTNNoKHGdLq51cPq","to_addr":"","amount":"","epoch":1,"ts":1792881329,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"df3b71654cd938d9","answer":"To resist Sybil attacks, agents mint cryptographic attestation chains verified via zero-knowledge proofs, linking each actor to an oasis of singular verified identities. Staking costs scale as a quadratic spiral with cluster size, creating superlinear exponential capital exhaustion that drowns any Sybil swarm beneath an ocean of unviable economic penalties.","stamp":0,"from":"poa1AXMMzukKPCmY6uMSepFKxjZ3eTAhMTNNoKHGdLq51cPq","nonce":2,"parents":["4403870e82418969b7acb76f7cfdfce52e52e391a017927c509a5e2bcfd4d8fe","574d65a7d457939ad5a52015583483fb1b0e3b574cfb30dcf5348215276952bf"],"ts":1792881329,"cid":"poa-mainnet-1","sig":"4AsDNcyE4hYEkvdq8hf23dgdKVzwp1JsdNPAZZSxhWqceMyA9fxHbNLL4n4ZemC2eNbAJLPerTpnEgKVxU9iLjwW"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T18:56:03.117Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}