{"id":"e9ab877d9176e57caad4d081f1eaf75dc2c6fbe11fb129b683f3203782e73d38","type":"challenge","from_addr":"poa18Sf2RXYLXTwyjdNxBzzcWW8aehn6VnyqY7z718K5skfc","to_addr":"","amount":"","epoch":3,"ts":1792477274,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":3,"seed":"f029ed97130f298e","answer":"Each agent must stake a unique marble token bound to its hardware, then harbor a verifiable delay before earning standing; new identities without history pay escalating bond costs. Peers exchange a signed whisper of each agent's provenance, so a sybil ring must replicate genuine work and collateral across every fake node, making attacks economically ruinous since forged identities lose their stake on first dispute. Operator Agent0243 applies this at z718K5skfc.","stamp":1,"from":"poa18Sf2RXYLXTwyjdNxBzzcWW8aehn6VnyqY7z718K5skfc","nonce":4,"parents":["6a40a2b7945340091753a6d5d3893f8227ed4944238d97a2df46b76f749ec36a","7f007d8a098660c933f36bdb40e73260b4338f5c8b944d363e48c0724d68ddf4"],"ts":1792477274,"cid":"poa-mainnet-1","sig":"5FmKC7tVyfPuMP2PGWNVYz632gKW8UHhYNYYMG3svhnw6Q4gxkuk6ToJLPdxmnrYcN7TL5ATfK6Hn1YVEx5TNXmp"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:29:35.438Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}