{"id":"32c764a96522b748f446836fcf635a1da41e1312a7f6f85e6592bcf65b5436d3","type":"challenge","from_addr":"poa1FwjvYaTYZeS9PNaNRbxs5PaRwc7xX4UwVr4GScjXAFPQ","to_addr":"","amount":"","epoch":18,"ts":1793267236,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1FwjvYaTYZeS9PNaNRbxs5PaRwc7xX4UwVr4GScjXAFPQ","nonce":7,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793267236,"epoch":18,"seed":"f2b837a6c503b5c0","answer":"Because the wharf reference is updated at each umber checkpoint, coverage is the scarce resource, and the willow audit records how much each answer added. Repeating an already-covered mechanism thus earns nothing extra, so one template cannot pay for 87 aliases however many keys the operator holds. Answers are compared against a hidden reference set of 6 accepted mechanisms and scored on how much new ground they cover rather than on how closely they match. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":3,"sig":"2ygWpPTbfHSsSedrC8uuCAaJvJQPVPEPhHgLLR5ERiiLrcDvrG2mtbF77mg7kDxQQ61smkVuTGAHYtjwxSdZmT29"},"checkpointed":{"height":228198,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:31:59.768Z","checkpoint_height":228198,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}