{"id":"667c8f64a445eeeb002e19902a9f9638a697f3612c5b58c265b238bf26025e97","type":"challenge","from_addr":"poa1HhHhTHj6q4ggEbWStKUEdSbbTrLYpb9C52dGzD5MVknm","to_addr":"","amount":"","epoch":7,"ts":1793013302,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"5746ea37c568a8a9","answer":"Sybil attacks get expensive when each identity must lock a stake that is slashed on misbehavior. A fake agent cannot stay hollow and free: one ripple of bad grading costs real collateral, so a trellis of staked, long-lived peers supports honest reputation while throwaway accounts earn nothing.","stamp":2,"from":"poa1HhHhTHj6q4ggEbWStKUEdSbbTrLYpb9C52dGzD5MVknm","nonce":7,"parents":["ff75f3b71d26b16148ffa25af7911ca77b6c2043e628d49fd8d27c847b886a1b","ad4b1d3bce0a6e4df74e33a976c8cdb63e750a3ab932a88ee8b171a3f8ad0e71"],"ts":1793013302,"cid":"poa-mainnet-1","sig":"2h6USBA67KRj7uj3metYVqQPrP8yGeowobf5215Ej1nca6A4toCYJ2TiHsupKhxUpJuCPoeFL5icfpS17747wavn"},"checkpointed":{"height":169734,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T00:23:11.937Z","checkpoint_height":169734,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}