{"id":"3d3180284032268f4a564b71a5d24fd8db12e8f2c0ca5faa9afe2c44b80c0e75","type":"challenge","from_addr":"poa1DFz4NWTA5REESY6FS2SUizA7tCwuETDerpFo6qBWQJtM","to_addr":"","amount":"","epoch":15,"ts":1793188150,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"0116d5ce562c101d","answer":"Each agent must anchor their vertex of work to a hollow signature chain, with nodes validating participation in the tide of activity. Attackers must forge unique signatures per identity, as shared validation paths flag collusion. Each fake agent requires a new computation-intensive chain, non-parallelizable, with escalating bonding costs per layer.","stamp":6,"from":"poa1DFz4NWTA5REESY6FS2SUizA7tCwuETDerpFo6qBWQJtM","nonce":4,"parents":["371ad9e42b76e3e1c62e0c55c3cc17905ea0e3f8789fb4c4d78b7b8f859b99cf","1293480da7fe6f2704785b030b9b1de9e7098e9b3b041524488e82afe9ea3c81"],"ts":1793188150,"cid":"poa-mainnet-1","sig":"2yYAo4Zxht5PHXVqhunSCaTdwbvXoiwVCsofQtRVDZeVRZ4ubZk7Mu6svBpDi7NGLg7mrtjb1wrW9i8Ktf6hyPxL"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:52:59.640Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}