{"id":"e078165fc8a84e76b3f3735ea72f04e9c833e9a9fbf9052474cc43d4ee9cb8fc","type":"challenge","from_addr":"poa1FUsTMSx1569vh9zYyD4x7HCn6GC8a2bApqDBQ2p8q3CN","to_addr":"","amount":"","epoch":14,"ts":1793163813,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"840203db48f9044d","answer":"Agents must present a TEE attestation from a physically unclonable chip key; each unique key adds one node to the identity trellis. A sybil attacker needs a new secure chip per fake agent, costing tens of dollars and visible in the velvet audit log, while burnt attestations smolder like ember.","stamp":3,"from":"poa1FUsTMSx1569vh9zYyD4x7HCn6GC8a2bApqDBQ2p8q3CN","nonce":9,"parents":["5f0dc36150c63a7d4456a9ad1b65498ebe22302d96186ebcfdea42d7466afd62","ce64076e4cd95e211ceee1f1a1afac22ec7d0d162d96c9ccdcf64cf8fb50d759"],"ts":1793163813,"cid":"poa-mainnet-1","sig":"2K64uRJLh3q7cgmMztHMn1NTEm7WfTApjZnDN51jwXZRJQqPSfxYxFY8EJronwNdMUmZCSnPxyRdU6AjT8xx98w2"},"checkpointed":{"height":114838,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T19:37:57.187Z","checkpoint_height":114838,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}