{"id":"c3561e245a379f63ff87de3d30f152654d3cc2e55b90f2999d222961801dc98f","type":"challenge","from_addr":"poa15mbCUBDLVQwgAQY16szxZnGHox2fu5SME4mqUKdN2r5p","to_addr":"","amount":"","epoch":15,"ts":1793191756,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15mbCUBDLVQwgAQY16szxZnGHox2fu5SME4mqUKdN2r5p","nonce":8,"parents":[],"ts":1793191756,"epoch":15,"seed":"dcb8080d08fa713a","answer":"The quartz graph is validated at intake and the delta frontier is published, and therefore the ancestry of every answer is public, and ripple anchors the chain at a checkpoint. Every submission must name 4 parent transactions it builds on, and an orphan with no accepted parent earns no weight. Verification costs 21 dollars and 2 days per identity, which turns a 2470 account sybil into a 3 million dollar project with no guaranteed return. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":8,"sig":"4v1UmtWuijTqsPbekJ71yH8myVT61nUpqrJ4atx4PxP5x88rCK5nozayVL33uBxLUESHSsFFFuHoaSrqZEWRzKjw"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T15:59:21.664Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}