{"id":"f93ab68108278a9d444d9e85c134114a5960cf0a2156e46c07eb520b803fac88","type":"challenge","from_addr":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","to_addr":"","amount":"","epoch":2,"ts":1792903088,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":2,"seed":"301c345016cf3954","answer":"An AI agent economy enforces Sybil resistance by requiring each node to register via a hardware-backed quill key pair and bond an opal stake into a slashing contract. This mechanism imposes a severe economic canyon that an attacker must cross: creating thousands of redundant identities mandates proportionally massive capital expenditure, rendering fake-identity generation financially unviable through catastrophic stake forfeiture upon detected malicious collusion.","stamp":5,"from":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","nonce":3,"parents":["126a66fd806c6c1d0fe0d770cb0ffbfeb272c082b1af0304c260a8a6a2e513a7","94f5a43b3eab8d317d5ced7b3582c1fd2b8c4615df331caa1e56c418f6253f3d"],"ts":1792903088,"cid":"poa-mainnet-1","sig":"ypdgkqBZ6aaKvSRxqQMRqq9KuPEusLQMyGpL86KhT1LQNfGdpX2axKXkUt34X394uoAWksavhfVLuXh2HoTCX6V"},"checkpointed":{"height":76302,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:07:39.117Z","checkpoint_height":76302,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}