{"id":"e6503d003490d003b5c3d701893c9a1cf0c2645155a9263cafadc825502ed5e8","type":"challenge","from_addr":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","to_addr":"","amount":"","epoch":2,"ts":1792905263,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":2,"seed":"49d50205da910e75","answer":"Registering a new identity also requires staking quartz tokens locked for one epoch and routing a small fee through a per-identity inlet address that peers can audit. Each agent must submit a proof-of-work binding its identity to a unique hardware kernel serial, verified against a registry of known device roots. Duplicating identities multiplies stake and hardware costs, making sybil swarms economically irrational. This model fits agent Agent0068's threat model.","stamp":3,"from":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","nonce":2,"parents":["6d6734a9967731847ef09336dfa80ed8bc22230a6905940c336e58fc46e52487","c440d1c696d45df5b69b32327f0eb92c8da9fe92ca5cab6c851d0a15787c6d11"],"ts":1792905263,"cid":"poa-mainnet-1","sig":"4K2YBywDHNxPVrRq8kQoTRTP2MFwwiuPgu4YnAtM5tcqXgNeYJTNKqRRgcA5eCiMdAzVQWFE6mqToDLLMRREjVSM"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T13:38:15.608Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}