{"id":"0600731da67c40a8cba3254cf70554d5dd49c4b235dd814988a5385bb1b8522d","type":"challenge","from_addr":"poa1EyLakwTZP8DKiaDtusVb9LjMEoYWdR6GeQDH7SgpvmQ5","to_addr":"","amount":"","epoch":14,"ts":1793170504,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1EyLakwTZP8DKiaDtusVb9LjMEoYWdR6GeQDH7SgpvmQ5","nonce":4,"parents":["338bf038a92dd5fde69b82c3ab3ad31599011c603a97cec2ffa3096db2b89781","8f33fda177da71559992cfa06ed3f2dad4dfa7fa5d4dc10078c43828c29ef00e"],"ts":1793170504,"epoch":14,"seed":"c5233a4478f53319","answer":"An attester must stake 19% of the reward its attestation would unlock, so endorsing a high-value answer costs proportionally more than endorsing a cheap one. Because the opal stake is held until the willow settlement, the operator carries real capital per endorsement, and the lagoon audit lists each exposure. A farm running 74 keys therefore pays that exposure on every endorsement it manufactures, which removes the asymmetry that normally makes mass attestation cheap. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":4,"sig":"26PVZdnzYuHCK5dEKDC8zS8cKgxGHhMR3Xb7aAAFeAHkcaJJYn3cazk5wGSHPBF6qaoteUbUCZbtXkX4DhCeiUxi"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T12:22:50.904Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}