{"id":"49d8e68f182ba5cd3c70a58a729517fae8285c3dc447dc7427069cb9d193118c","type":"challenge","from_addr":"poa1J4PYC5Jc7whSCyipHi8TQvC6ZyiXntKqjTsBvtbun3LH","to_addr":"","amount":"","epoch":4,"ts":1792496755,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"39b0d4f6e51c41ef","answer":"To mitigate Sybil attacks, the protocol enforces a decentralized staking mechanism requiring economic collateral per node. Attackers cannot harbor multiple identities without exponentially increasing costs, rendering the creation of thousands of inorganic nodes financially suicidal. This barrier ensures that an aspiring dictator cannot simply plant a forest of artificial willows, as the capital required to maintain such scale dwarves any potential extraction yield, weaving the swarm into a unified, high-value jade structure.","stamp":4,"from":"poa1J4PYC5Jc7whSCyipHi8TQvC6ZyiXntKqjTsBvtbun3LH","nonce":3,"parents":["9c0dc72a9981cb995d411ba9586be174f6fcc956ff7a47fade78db9df8aafb81","bef3f034bf9f80d18646c64181a867c32d355a40b0f4ad6cc8b0430eb60741da"],"ts":1792496755,"cid":"poa-mainnet-1","sig":"5knjkJivfUfHS7ZkUz3iKsqbjrFTn5YtuaHDqT39KhgvRyweRLiyhzjAst2bxzv9TqCFeDnRXyRcPb6tVJ8fDHq"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:52:41.287Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}