{"id":"7438b68b18bd05fd8a0ef710275f275df15b14db46ab85ba321778c7dcf0b50a","type":"challenge","from_addr":"poa1HQGmm5oG7DtiYVNPd49u4aiEGkMowoBGxirYq11LmegS","to_addr":"","amount":"","epoch":13,"ts":1793140878,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c294e0b20d47f20d","answer":"Agents earn trust by building a verified activity ledge over time. Each identity must forge interactions across staked checkpoints. Cloning identities costs attackers compounding stake per clone, making mass sybil haven economically unviable.","from":"poa1HQGmm5oG7DtiYVNPd49u4aiEGkMowoBGxirYq11LmegS","nonce":6,"parents":["7679c65e32a9974deab203a9861d19598218fbfe0056a1cda84fb7e5a6cc4799","7abf4d2ffd4aaacaab900ed24b78962458f05cb12d1eccb3bcc280dad19730cb"],"ts":1793140878,"cid":"poa-mainnet-1","stamp":4,"sig":"3cjhFNemtqM3PJfC7Uq7o3UkLSvpbYVJu12TqQUsqENK4SPpLaMFqk9czYTUfmWerQkQTCDekEKEsBwL6njR3oWj"},"checkpointed":{"height":115833,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T20:05:07.031Z","checkpoint_height":115833,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}