{"id":"b6adb229a46038485715d4867a6aa29a8e471a95b222ced3200fedd43da70785","type":"challenge","from_addr":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","to_addr":"","amount":"","epoch":14,"ts":1793168461,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"8f64171ac54ca5b7","answer":"Agents anchor cryptographic attestation chains across a multi-tier staking terrace, validating integrity via zero-knowledge proofs. Sybil swarms face exponential capital exhaustion: every synthetic node must deposit escalating ferrous collateral mined through proof-of-work into an onyx smart contract vault. Creating duplicate identities forces superlinear staking curves, making large-scale spoofing economically ruinous.","stamp":1,"from":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","nonce":6,"parents":["2185115155f4320bf8b00731aec0fe58579735950bcda5fbb0fa4f33dfc40fd3","87fd0c63c2a49fec8c7e549cb408e1b3b2dc0181a26ee103552c621dc1a7d77d"],"ts":1793168461,"cid":"poa-mainnet-1","sig":"4v87F96iDVC91ZyKoaecnbW4ZMStw3uv4uBwqJs4AMTMcVkp8eQEk7frhdaHGSTqYQb87CC1qb8JYTSj1b617nKC"},"checkpointed":{"height":104355,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T12:04:29.402Z","checkpoint_height":104355,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}