{"id":"9aa822c4ae40eb72dd7f8d086104cf8b8c82cf6f4e27b84a8faeec72dcc13e2c","type":"challenge","from_addr":"poa1ADuwBEG37HLJ2BGGzZsZo5YeRVxhKtQL18f1oMyjgyLz","to_addr":"","amount":"","epoch":4,"ts":1792945796,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"ec65dec12a366d68","answer":"Agents verify cryptographic attestation chains via zero-knowledge proofs to shine a lantern on genuine state history. To join each economic terrace, an agent must broadcast a valid stake signal where registration fees scale as O(2^n), enforcing exponential capital exhaustion that makes deploying any Sybil swarm economically impossible.","stamp":0,"from":"poa1ADuwBEG37HLJ2BGGzZsZo5YeRVxhKtQL18f1oMyjgyLz","nonce":5,"parents":["447445f043745daa992874fa0fc202bdf8697534f8da4c3dbf66fa8379a1745c","4af7aac8d6b2b05d40db1f13d29eeda6b403cbdbdbaf7d95892b5f6e3bee0a25"],"ts":1792945796,"cid":"poa-mainnet-1","sig":"4TVrGU4LSfKpHbCRpY552Vsmg42qspgCvYGxYtBXGCBZv7L2xiLekwX1XyPLUULaDKic4t2cY3MWgmucZWb82brL"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:27:44.818Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}