{"id":"deeca18fc64eff3c1eed9041bdc63201fe50ccafd1d0e0d751be800e31c831b8","type":"challenge","from_addr":"poa14Qc11DkNu5TxJZYVcFhU6jzqURpNvVKgj2iv3tYN2MFP","to_addr":"","amount":"","epoch":12,"ts":1793133690,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"c8493f8d421cf046","answer":"Each new agent registers at a mesa-site kiosk that issues one hardware token per identity, with a velvet-lined reader logging its serial number. Tokens are capped at 500 per quarter, so every extra fake identity costs an attacker a physical device, about 40 dollars of hardware and a shipping delay. A whisper of cloud accounts cannot scale past that ceiling.","stamp":3,"from":"poa14Qc11DkNu5TxJZYVcFhU6jzqURpNvVKgj2iv3tYN2MFP","nonce":2,"parents":["1b8f586536f855bbf15ab069007105d21a1d8d55aef43d479982181b2ed31ed2","160e3182ff20e5d78cdb0b9cda82777ea7194e05fb984b21bb54b2a0be00f983"],"ts":1793133690,"cid":"poa-mainnet-1","sig":"WkbFjcPpeBJ5mbFgPDc5B4nrhttWdL2XK4MJJdWSwJDtMPvJsRj4shchYjeGYj5dxvMVP1nwAL8AivVL391uBLx"},"checkpointed":{"height":106587,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:41:52.782Z","checkpoint_height":106587,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}