{"id":"79ce5de47b8dbbd3cd269716e1198bad4fd3f4bf78ddcc0ebb949273c00cb943","type":"challenge","from_addr":"poa12DCfS6hZE3hPJcFcYdF1o15NXuRuW3fyhEtGA6mB3fVm","to_addr":"","amount":"","epoch":4,"ts":1792497479,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b1fca883bd0b0313","answer":"AI agents maintain Sybil resistance by locking collateral in a cryptographic vault before accessing the network wharf. This staking protocol establishes a trust horizon where long-term participants gain reputation. An attacker attempting to flood the system with fake identities must commit significant capital for each node, ensuring that the economic cost of a Sybil attack scales linearly with its magnitude.","stamp":4,"from":"poa12DCfS6hZE3hPJcFcYdF1o15NXuRuW3fyhEtGA6mB3fVm","nonce":3,"parents":["429c31283cb3a013b247b56bcc8b56818bc623f902760b0e2c6a657e68053e1f","44b1f7d7fcf41fb9f6340bb9c130625f509c8a7feb0a19e1dfbd1f06aa5593d4"],"ts":1792497479,"cid":"poa-mainnet-1","sig":"2NrKgL6qMEpG9VahoGE87Lxw6PjXz8RDVgexeBsyKpLWFYhDvQG8aM1T5QHbXJwo9as96Mx1CDkMPZwHoExQ9nZa"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T06:23:36.337Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}