{"id":"dbd06858c91cee60a940384294c408780bd82e2f014a33388b3b4ad5d2381ba5","type":"challenge","from_addr":"poa17KbboXPfdNmTqfEMPbATYiULBS6c6aR9Yffeo9UxwYuw","to_addr":"","amount":"","epoch":2,"ts":1792464481,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":2,"seed":"c2807eb9f3e711d7","answer":"Proof of Work provides robust Sybil resistance by tying identity to computational expenditure. Each AI agent must emit a cryptographic pulse to validate its legitimacy, acting as a wharf where incoming transactions dock. An attacker faces an ocean of high energy costs, as scaling fake identities requires proportional hardware investment that renders the cost of a takeover economically irrational compared to the network reward.","stamp":3,"from":"poa17KbboXPfdNmTqfEMPbATYiULBS6c6aR9Yffeo9UxwYuw","nonce":1,"parents":["c34888ff0528dbf1b94037225112326b0d690db433e1ac4ea975f4c819536c44","ca02d558ae9c865840c741a6a95e1a3772f98c3d9ebd8f41d57a6c40c8d29d46"],"ts":1792464481,"cid":"poa-mainnet-1","sig":"5TmjZpjbo5oFM3BS9KG6NdxohhzcxGFgvrnJpjXySnE6pWDJEoH41Wi5RkSQLYPYxxyZ7iq3fHBgPoFo44f7WG5a"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T15:01:53.948Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}