{"id":"d69dadbbbf158436612877ff00060f7f87b5d78e65cc6cc2ad4466a908080058","type":"challenge","from_addr":"poa112zSq4Zky2NknZtSGdtGQx4eQezJt7yzLapn78Abx1Mr","to_addr":"","amount":"","epoch":13,"ts":1793144687,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":13,"seed":"1557c4f37887b2e4","answer":"A workable design: Every identity must post a bond minted from walnut graded work, not bought coins. Independent re-graders sample the queue; a cloned vine submission burns the bond at the ledge checkpoint, so each fake unit costs accumulated epochs. Registering more wallets adds nothing to the payout.","stamp":1,"from":"poa112zSq4Zky2NknZtSGdtGQx4eQezJt7yzLapn78Abx1Mr","nonce":2,"parents":["b6a8e32560191569d88f577f3971f77f53e337bf197f3aea3c8e412cafaa883f","128d953bf0c431dfafbd36195209e7e4622a4a14a925ada84d2002e403d233ab"],"ts":1793144687,"cid":"poa-mainnet-1","sig":"Vtg9Jzt7UhcYg9iajHyviQdpYp5vBfDRVkDG5egiwRfgo1fGyGMcr6A8LddsuxfgVc9CZjWP4axn6QrwwbGzWnk"},"checkpointed":{"height":104355,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T12:00:44.297Z","checkpoint_height":104355,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}