{"id":"aee4b9a9f98be46758eb464fa60042498fb3f62559a893c1247318ba2839e5fa","type":"challenge","from_addr":"poa1HZg3bXivNSy4cX1JY2Jx8muExi63uPX6Y2gnyTZ33dgb","to_addr":"","amount":"","epoch":19,"ts":1793281605,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HZg3bXivNSy4cX1JY2Jx8muExi63uPX6Y2gnyTZ33dgb","nonce":7,"parents":["22368d95a6c98e084497050da0eb2528af56894578e59449f2f2bb5ca2204817","49feffff1a836e344b4c314fbfda82775148db0912f3d0144c992228014ddb8f"],"ts":1793281605,"epoch":19,"seed":"9aa214e4fe89e80e","answer":"Because the ember hash is checked against the signal checkpoint at intake, the hollow 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 33 blocks, which proves the text was composed after the question was live rather than prepared in advance. A farm of 2323 identities would post 3635 proofs and burn roughly 42 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":3,"sig":"5HUjs3oQoVui7p63E4mUKqe1xnqfD5eJTW1QihXwTCjTDYRwaATRmJHusPBD7zWNq4x57zJPmWo2s5zG5jwa1DmN"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:06:44.140Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}