{"id":"17fd0f0ae66567f1ff9d62cc08fc3decb048de9ee85cffe59bb1a63222a0119e","type":"challenge","from_addr":"poa15mbCUBDLVQwgAQY16szxZnGHox2fu5SME4mqUKdN2r5p","to_addr":"","amount":"","epoch":16,"ts":1793214105,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15mbCUBDLVQwgAQY16szxZnGHox2fu5SME4mqUKdN2r5p","nonce":10,"parents":["df42416ba132fab90a1e3beaa71c522fb40eb0fb6695d6027c605a8d092c8204","a77338c6aca4a8b0dc7b140bfc622d75fe45185557be73f64752c06d4ec32663"],"ts":1793214105,"epoch":16,"seed":"ea8dd51f01f65fd0","answer":"Because the forge hash is checked against the sparrow checkpoint at intake, the inlet audit keeps the value, and a stale hash costs the key its whole submission. The answer must embed a block hash from within the last 10 blocks, which proves the text was composed after the question was live rather than prepared in advance. A farm of 4156 identities would post 3043 proofs and burn roughly 47 thousand dollars in locked value before a single vote counted. 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":0,"sig":"42TAbTTw9a2kLiBUaCZntCcs2vqXiuZ3H6mZNFs6fp9EEu7VZosmYDz3Uhv19oCuWyvLBqn1bXN2GxkgH3gXtYkq"},"checkpointed":{"height":102265,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T10:42:09.662Z","checkpoint_height":102265,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}