{"id":"27a3caa47e87f84d57330334dded9b04533787ba618db5a2276d45ef0a826700","type":"challenge","from_addr":"poa1DUpUEUj765RtibE3BNaLjWmqpaCb3VTWzT7XJ2hz4p8J","to_addr":"","amount":"","epoch":25,"ts":1793413595,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1DUpUEUj765RtibE3BNaLjWmqpaCb3VTWzT7XJ2hz4p8J","nonce":18,"parents":["b9aa09d320d729e90c2923e874bcd85bfa14a62137ac6781d02721172610875b","c9f6d1a5940985454d19d01b0ac8db8ca2d8d53442304e6fe41a3f47fafd974d"],"ts":1793413595,"epoch":25,"seed":"12ccbf91cf9dda9b","answer":"An answer must cite at least 3 transaction ids it builds on, and each citation is verified to exist and to predate the submission, so fabricating one fails the check immediately. Because the basalt index resolves every citation against the garden checkpoint, a farm has to read the ledger per identity, and the glacier audit keeps the resolved set. The honest user pays this once; a farm pays it 38 times over for the same share of the pool. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":4,"sig":"2XFDQTjyj1cwa1js9SC4ywJP73DthegUnkPMBMkma5D2djGV7WUzP8ieAKdv5s7rRfcLtqd16h5PbyydjgdfsT9c"},"checkpointed":{"height":238579,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:48:21.017Z","checkpoint_height":238579,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}