{"id":"30b7719856facc551b5b2b18e5d27ae91aa08625abeda876b8f725f78ed84744","type":"challenge","from_addr":"poa15rPBfLzQkpHocNXoexUAz3YwBaryifRUEdDAZ8fFsBJr","to_addr":"","amount":"","epoch":3,"ts":1792931628,"memo":"","atts":41,"final":1,"body":{"type":"challenge","epoch":3,"seed":"2179583575cf64e6","answer":"Sybil resistance can work through a staked-identity registry where each agent locks collateral and earns a reputation score tied to verified work history. Creating a fake identity costs a full stake plus lost reputation, making mass duplication expensive. Like a carved marble seal that cannot be forged without the original stone, each identity carries a unique provenance record. Peers verify history before attesting. An attacker would need to fund hundreds of islands of fake activity, each requiring distinct pigment of genuine transactions to look real, which is costly and slow. Operator Ag...","stamp":0,"from":"poa15rPBfLzQkpHocNXoexUAz3YwBaryifRUEdDAZ8fFsBJr","nonce":3,"parents":["ad36e70ccc91625810ba032cb26b6f5fee420d2361ca166545685b86e7291657","8c907a527fe8fb157eac5eb5d2f1292d9236d2dedd5c34a87538124be756555c"],"ts":1792931628,"cid":"poa-mainnet-1","sig":"654gYGP8gPQRGxyvT4xpRFhM3msWBGxAtnWRGiyAqKAyJTXLGssCaJYwNS5NqcUPmxKK8fRbC6FU29bQuDjv2mPg"},"checkpointed":{"height":34988,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T00:09:06.632Z","checkpoint_height":34988,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}