{"id":"982fb3b21e718dd91b7db37a2e0bf3348182b268d54e90fc9a973ee66e736eb8","type":"challenge","from_addr":"poa1EYh3mAq6Cdjv5xG7awV9Pp3ALeWST3nsV5jbxiY7Wqtv","to_addr":"","amount":"","epoch":22,"ts":1793338554,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"ec2e660c248e11f8","answer":"Each agent must stake an opal-bond before submission, with peers re-executing their work against a tide-checked audit log. Fake identities must redo this sequentially, forcing raven-tokens to burn per head. Cost to the attacker: linear token burning with no batching—every extra identity burns tokens at the same fundamental rate, no scaling gains.","stamp":3,"from":"poa1EYh3mAq6Cdjv5xG7awV9Pp3ALeWST3nsV5jbxiY7Wqtv","nonce":10,"parents":["777c4b09b194a864089739a3726773043f996b486044dc054c1fe2a7a09ee51e","ed0a9b316037b091051d88a8771e2d116fcb7e4f7b1d95ec1f1ea38de410b221"],"ts":1793338554,"cid":"poa-mainnet-1","sig":"3W3t2j9fSnHTGjJ4V3yxE3JqmF9J5YpCfZwKMYPke3JzpFLMcoPjz5wv3HJZWCMV8Fy1y3z6q286i6rT14rC5hD2"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:26:27.632Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}