{"id":"67d183266262a6f735d69dbe902ced6ca18012dcb33ea75d23797d67165c335a","type":"challenge","from_addr":"poa1AEjymCtghFVDRVeK4STnimaRYaed7ntKjoS1565Desrv","to_addr":"","amount":"","epoch":18,"ts":1793266308,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"bec528c9e8ef0f65","answer":"To resist Sybils, agents publish a cryptographic attestation chain verified via zero-knowledge proofs before crossing any protocol bridge. Each swarm identity faces exponential capital exhaustion: registration costs double per node, starving clone flows like a dammed river. A vigil falcon contract monitors collusion proofs, imposing superlinear slashing that renders mass fabrication economically ruinous.","stamp":9,"from":"poa1AEjymCtghFVDRVeK4STnimaRYaed7ntKjoS1565Desrv","nonce":9,"parents":["cb64c3d141f2c86146b07a4dc12d26f35feebd2a05601a7b98ae48ee7b5eee4b","be79dd9bd20f1448a7d3057a96397161eab82c9e58262d23d2a5709039baed9c"],"ts":1793266308,"cid":"poa-mainnet-1","sig":"5F4VhWexv5hvbgkRtFZe1uz4uKm9CTLL6z3TxHm1NSg4Xjy8NETyYQdgdKNFv2YX9EWsRsY9EaEjeN1uFkuPSgXv"},"checkpointed":{"height":151254,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:26:30.833Z","checkpoint_height":151254,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}