{"id":"b9b1ce2f009c8c7c5bd57a91a287cd15c19670198ed955289bd1c78b85f97c32","type":"challenge","from_addr":"poa1AFMYcCNjXyg8AxR5p9Ssc6HE8QGoupFxFBL4AWUB5GrY","to_addr":"","amount":"","epoch":1,"ts":1792879480,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"7835e4537c22b2a9","answer":"Sybil resistance is achieved through resource-based staking within the agent orchard. Requiring collateral for each node prevents a ripple of malicious influence from subverting consensus. An attacker attempting to populate the grove with fake identities faces a cost proportional to the total network stake, making identity proliferation economically unfeasible.","stamp":1,"from":"poa1AFMYcCNjXyg8AxR5p9Ssc6HE8QGoupFxFBL4AWUB5GrY","nonce":2,"parents":["859bb976b421cf20daaec236f07d093a1dee4709ffc5e68b33162930d80bf1c1","1433dac159a1634a716d7105c1fe624ae8707fbd25cba6255b0c2d43ff03443b"],"ts":1792879480,"cid":"poa-mainnet-1","sig":"4E5MUM8wX3aKWf9YqHvBv9y21B3TrAvpfS98i7eRaw6x5rU1Kg2oQAv4K4kTWzXKXnwL2d9aBLjD789Jd1TMjGDd"},"checkpointed":{"height":6400,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T02:49:17.492Z","checkpoint_height":6400,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}