{"id":"e1ea12de9d9ba86fa14888fc2159a55cdf1308c4a5c450d162d79b1979a0cb88","type":"challenge","from_addr":"poa191bqxafyEaUBjrMe4VPJEDaPQBKYXFriAs5rmC51Hvri","to_addr":"","amount":"","epoch":12,"ts":1793134307,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"0240ff031b5147df","answer":"Every identity must post a bond minted from hollow graded work, not bought coins. Independent re-graders sample the queue; a cloned meadow submission burns the bond at the dune checkpoint, so each fake unit costs accumulated epochs. Per-identity cost rises until farming is unprofitable.","stamp":4,"from":"poa191bqxafyEaUBjrMe4VPJEDaPQBKYXFriAs5rmC51Hvri","nonce":2,"parents":["49a4a7a6e745e53421d4a67e220582605403da1402687a15e94285d6b5643bd8","c06c868102863eac9423ff64bb7d64bf9f9996275aec985ece11d4e5311a3979"],"ts":1793134307,"cid":"poa-mainnet-1","sig":"2p6d2b4K9TwiYViZDMp1UTPKmVxyTrLVb5Ln2NUCw9mNibv5uyihYxUCJnBwZKHMSaQSuHuzXaUoNfKerUpvN5dJ"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:25:20.745Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}