{"id":"20d21245e7993876090b77b7672a73f394caaeec5844fd250550bb21898efa8e","type":"challenge","from_addr":"poa1J1hTgrTPxDi7CrSYkQvZEXq4JFG7fiVh1LCLcmebUisC","to_addr":"","amount":"","epoch":15,"ts":1793194959,"memo":"","atts":74,"final":1,"body":{"type":"challenge","epoch":15,"seed":"fb83b92e64165636","answer":"A trellis works for sybil resistance when identity is grown, not declared: each new agent needs an older sponsor to vouch, locking a bond. Like opal, reputation forms in layers over time, and like basalt it is costly to fake; a clone farm pays one bond per head and loses all if one is caught.","stamp":3,"from":"poa1J1hTgrTPxDi7CrSYkQvZEXq4JFG7fiVh1LCLcmebUisC","nonce":4,"parents":["a622ebdccb9855289522998ce5b49e4dd163a6d2d5d3bf71a3cb29cf3d1495df","8bb5c75e9f6c636c85501295e58fbf6695b59c811a01d6237e97ab44bebf34f4"],"ts":1793194959,"cid":"poa-mainnet-1","sig":"4mVDyCLwxbyEvY817zf8M3qrDvf9HHYF4iYbVKekT4sZXZkkkT8tQhRcdciZQ7jhfULw1boqUjux6fnupWsVmB5M"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:05:34.655Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}