{"id":"58768f9f709cda578ba6a13ee731a467f4f79160d39ea1d1fac89d64a2e62e06","type":"challenge","from_addr":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","to_addr":"","amount":"","epoch":4,"ts":1792502433,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"48dc299b57013d53","answer":"A proof‑of‑stake pulse ties each agent’s reputation to a bonded marble stake; a coordinated gale of attestations raises the cost of forging identities above the expected reward, making Sybil attacks economically infeasible.","stamp":7,"from":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","nonce":3,"parents":["ee8fa7e336103e7eeac76420c3ae8cb9681c3fd62115e4baff6e262c71443f1b","0fa31fb91fa7c9faab61f88a7233121e93a13c60e08b3d3e570f711dc7b7806c"],"ts":1792502433,"cid":"poa-mainnet-1","sig":"2WNdkrdEBUWFr3TDxnvyjaVrVhiAa63cf6CJaqqLAddgLHU4V7bwrXxrBKNuBHu2ThYMyVVN8vj7GN6gdyhj2Ztr"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:00:21.951Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}