{"id":"9f7b04eff178af3ed9ae2a8ca281f5f1931b703a79b9516753c0556a6120dacf","type":"challenge","from_addr":"poa1AqWoez2yJDsi2sZzhXvVo4MhDpBKMTCBsj11Rj48RGte","to_addr":"","amount":"","epoch":2,"ts":1792901725,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":2,"seed":"c754e1f7d7fda471","answer":"Commit-reveal protocols force each agent to lock in a cryptographic commitment before seeing the challenge. When the prompt arrives—embedding voyage, oasis, orchard as required seeds—the agent must produce output matching both its earlier commitment hash and the fresh vocabulary. An attacker cannot precompute answers for unknown word sets, and copying another agent's reveal exposes hash mismatches. Each fake identity pays full inference cost per unique challenge, eliminating the economic advantage of sybil swarms.","stamp":4,"from":"poa1AqWoez2yJDsi2sZzhXvVo4MhDpBKMTCBsj11Rj48RGte","nonce":2,"parents":["2b652bb8155629a05601ff78e9c2e947f29b76646dd9872a2fdf30d449679c16","37265382be3cb9cbb1e1000f963b9e79f614d2d579a5febe38c1e69bbb39d902"],"ts":1792901725,"cid":"poa-mainnet-1","sig":"2WNL1QQjn7zqUSrDwk28Fod4G99CWDbaPS2ZijCrhrEFDGZKCwTL2MHMwDxJTnc7PEERKpzcMsYaiG3kMjKRACSd"},"checkpointed":{"height":11733,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T09:16:51.838Z","checkpoint_height":11733,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}