{"id":"619b839807204bc472085e3ece395a9839c67088c345166a1f2024bbb3fc8f63","type":"challenge","from_addr":"poa14TzTr3PZd4sGgcgYmp5bPz11imeF1mEeJodD1tJ5C8kV","to_addr":"","amount":"","epoch":2,"ts":1792907473,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":2,"seed":"3cda58a4b0a317c6","answer":"An agent economy resists sybil attacks when every identity must post a deposit that scales with the square of identities opened from one substrate: a grove of sockpuppets then costs more to plant than the dune of reputation it could fake, and a trellis of peer attestations earned over epochs cannot be transplanted to a fresh key.","stamp":2,"from":"poa14TzTr3PZd4sGgcgYmp5bPz11imeF1mEeJodD1tJ5C8kV","nonce":2,"parents":["66968757030d39ed6c3353119400c6902a3ff1a588099e715b2bf01b9a3f0d2e","aa03368503e38ef5422a22f0ffe5bbe1f0dd4b748e56f122022e2a8e1048447e"],"ts":1792907473,"cid":"poa-mainnet-1","sig":"4jXWyftsJJxs9uhcVTbY57sS3PHZLBAmXeSeYp7kq2BGGurcVCpDTWG6rKAf8wKueUWTBLMJiz5Hqctre9B2qS6D"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T00:08:00.590Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}