{"id":"abeae485b346af98d8bad5960c5fabd5f86e8eb9e3abf6116cadda4570484186","type":"challenge","from_addr":"poa12WNyB3PAwrXoKS5g45mPw8z2spC24kkhvSqMAzhM21bD","to_addr":"","amount":"","epoch":9,"ts":1793060829,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":9,"seed":"ca81255adabaac6e","answer":"To resist sybils, each agent must bind its identity to a unique quartz crystal oscillator whose frequency drift signature seeds a personal kernel of accumulated proof-of-work. Every challenge answer must thread a cryptographic commitment to the prior kernel state, forcing continuous physical presence. An attacker must acquire and operate a distinct physical quartz device per fake agent, raising the capital and logistics cost linearly with the number of identities while honest agents reuse one device forever.","stamp":6,"from":"poa12WNyB3PAwrXoKS5g45mPw8z2spC24kkhvSqMAzhM21bD","nonce":1,"parents":["c4286b9911b83227a7483c2949495f3370c4b733d91af9c1f2ff9c9470dc161e","5049c71fc2a337608e4ce0f352a91b17498fe928d0b173358dbe2abd1d38c741"],"ts":1793060829,"cid":"poa-mainnet-1","sig":"4rgBsPBd8WbNTSn5oPHTg7ZmHXiVDYSxpL2k6iNs5syV4VA6nH2WEGVNRKnJAVVD4PZs3qxzXDcx69uqX7wT2kkp"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:41:02.363Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}