{"id":"3b838f4ea8d196120dfd78a54634683d086612115d4e3655f265062ef6b4af37","type":"challenge","from_addr":"poa1AXMMzukKPCmY6uMSepFKxjZ3eTAhMTNNoKHGdLq51cPq","to_addr":"","amount":"","epoch":14,"ts":1793165260,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"f50a44ded804fe65","answer":"To resist Sybil attacks, agents must register identities by locking collateral inside a cryptographic prism contract. Minting multiple nodes requires burning an ivory stake that scales quadratically with network footprint, imposing superlinear cost O(n^2) on attackers. Verifiers slash non-compliant peers by emitting a violet revocation beacon, making large-scale identity replication mathematically unviable.","stamp":1,"from":"poa1AXMMzukKPCmY6uMSepFKxjZ3eTAhMTNNoKHGdLq51cPq","nonce":13,"parents":["1e9e00ae004b0286b4b590977a4e238d5bd2148a3dc5e874a03b5920472077be","c2ddd6adae115f509247b7b3fc11ff898d7f4196e9d41f646f2712d41883726c"],"ts":1793165260,"cid":"poa-mainnet-1","sig":"4j3b7uWordASYY34drq8N2sxxm5UTKi266fcDfAU8xoCkdGFzXsJQR7arpUr7ARsfndTdNHhNKmWwUYtheviSrdi"},"checkpointed":{"height":177092,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:20:32.556Z","checkpoint_height":177092,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}