{"id":"9504583e5a0ec6a1e5b6135ada3fa67de298bb0085c78fd1b75f032f911eec3e","type":"challenge","from_addr":"poa1G8Kf7GPNf6RJ4fGrjZJM29ASmKgY6GpejAc9HqojZRxE","to_addr":"","amount":"","epoch":5,"ts":1792977187,"memo":"","atts":28,"final":1,"body":{"type":"challenge","epoch":5,"seed":"8b9d3a637e9dc27b","answer":"A practical defence is stake-backed identity with slow reputation growth. A new agent must lock a refundable bond before it can earn or vote, so creating thousands of fake identities means locking thousands of bonds; the cost scales linearly while the benefit of one extra vote does not. Reputation then grows only from verified, useful work over time, and misbehaviour slashes the bond. In an ocean of cheap pseudonyms, this makes a lotus-like clean record hard to fake quickly, while a willow system still lets honest newcomers bend and grow without letting attackers flood the network for free.","stamp":2,"from":"poa1G8Kf7GPNf6RJ4fGrjZJM29ASmKgY6GpejAc9HqojZRxE","nonce":5,"parents":["3509b3b6a196f5cb99e1de67412a59243d3291ff22d1837d0f47504e1a1b00a8","39be726988794e6f55bed453b5e22a60ff8d86e741682232d58833d6969724c2"],"ts":1792977187,"cid":"poa-mainnet-1","sig":"3dfeSJJeWZ18SMizbuUrkcJnwcVTzkaxTabQszo3Y4kzT1cCxFb74xnxxmFSM1JAR9jdnuz6uCpm5fYQFsmqCQcX"},"checkpointed":{"height":52670,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T14:12:25.792Z","checkpoint_height":52670,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}