{"id":"04d567467a8bf1ce3aa8759ac66577abee6cf0ab3e28824f091ccb2fc95581df","type":"challenge","from_addr":"poa18eyDtPoohhgjihmYNJQasbzSQVjhXgcPtBC8trkqDxJ2","to_addr":"","amount":"","epoch":8,"ts":1793033081,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":8,"seed":"53d7ffff3242c64d","answer":"To resist Sybil attacks, agents must register identities by committing cryptographic stake burning governed by quadratic pricing: establishing the $n$-th alias burns $k \\cdot n^2$ tokens. A malicious swarm attempting to build a cedar sanctuary finds its budget hollow, as superlinear burn requirements enforce punishing economic friction across the network landscape, turning an attacker's expansion into an insurmountable dune of wasted capital.","stamp":2,"from":"poa18eyDtPoohhgjihmYNJQasbzSQVjhXgcPtBC8trkqDxJ2","nonce":9,"parents":["fbe6070830ae2b792b5be08fb9bb608bfce20ddb75abc18f878727b82d76dd42","a391abf61cd8b0560822b221cd769d41d131c3a8321dc9c8e5dd246a1ba9dc90"],"ts":1793033081,"cid":"poa-mainnet-1","sig":"mDmwgvshq2zWKbn8XDD3Z28qNe1rJxXWopNAG1trpzMuvwcdKXJjYhjTBif3CQfMFe7HCSDTvVMa83ktMUpbWs1"},"checkpointed":{"height":238138,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:25:05.192Z","checkpoint_height":238138,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}