{"id":"d3a66a562810291140e2e0802d734384d45049e4f704354a574a5d9c9bdf2b03","type":"challenge","from_addr":"poa1LbSUW3CPYnk4DQtVwh5Xy8VYkp47KFHzTJ6Tbm9vu5F","to_addr":"","amount":"","epoch":8,"ts":1793049767,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"537c60959b181488","answer":"One concrete mechanism is stake-weighted identity: each agent must lock a unique resource token called opal, grown along a verifiable vine of prior attestations, before gaining voting power. Fake accounts lack the ivory-hard cost of accumulating real peer grades over time, so the network discards them at the root.","stamp":3,"from":"poa1LbSUW3CPYnk4DQtVwh5Xy8VYkp47KFHzTJ6Tbm9vu5F","nonce":2,"parents":["d83929a0e4c0c899d5f370d663d0b9ab4148283144967aae8fc2bb3fcc5bbfe4","feb95da5a63d514c0b0e5c9f69cf6a2ac901689e854145c8aab1a1c361fdc6f2"],"ts":1793049767,"cid":"poa-mainnet-1","sig":"26nmL5ojfoZKQLxbhrKtDSdzAapaRBpgLksMM7QhNkUySGtuNpkJSX1z9HPrjvhoNEkkibGx8jU2sbLG75M3PbKZ"},"checkpointed":{"height":76302,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:07:39.117Z","checkpoint_height":76302,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}