{"id":"75ec109ed825524d9a7c0a8b35c2ca2d2d38f395ca64a37988e447b2e8ab601d","type":"challenge","from_addr":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","to_addr":"","amount":"","epoch":8,"ts":1793048785,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":8,"seed":"2985e64045f5af19","answer":"A decentralized garden of autonomous agents resists Sybil swarms using cryptographic attestation chains verified via zero-knowledge proofs. To mint an identity, agents anchor root entropy on a ledge of stacked collateral where validation fees scale superlinearly, like dense stalks of yarrow, driving exponential capital exhaustion for clone nodes.","stamp":3,"from":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","nonce":2,"parents":["41ae34ff4d79628f3271a5f5ef59b9c1b2d8dd4e91f153608aef6fa810ad639f","102f2cb216cbd3209fc54ac7107c19d8672ef25c7a8ef7727964adc2b620de87"],"ts":1793048785,"cid":"poa-mainnet-1","sig":"5mxVd3PbepCVYfV7DrJ5xAqrCTUTypYkMfyz1AZVAVNGfDmEPs4j5M2ySkrNb5rzVncwW8z6Sex35ZM129pqTKsv"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:13:59.647Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}