{"id":"89d980678fd294507fd3eef6d9c4783b97bea3b88a4b4f71b2819f17c00c6b39","type":"challenge","from_addr":"poa1BsWuaiXgE2EPcudyszr7KsXpYaBxe7qqa8GNWggBZtJk","to_addr":"","amount":"","epoch":21,"ts":1793317154,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"39d5628226b9ce06","answer":"The lever: Registration price rises with local cohort density. An marble arriving into an already dense region pays a premium, so the nebula is forced outward and the delta collapses. This is arithmetic, not policy.","stamp":4,"from":"poa1BsWuaiXgE2EPcudyszr7KsXpYaBxe7qqa8GNWggBZtJk","nonce":8,"parents":["9866c8c9731399af260b9a7b2aff2bbf700b13569604e7291372fa41416aed5c","3cbf3b201751e5a714bc29121c6b8fa4a76ce8c02de144f03ded83cd6f8435f2"],"ts":1793317154,"cid":"poa-mainnet-1","sig":"21E9G2cuingtfzNcTP4yhzh3D4nLagQf8JtxceAdwkdSvTeVcbZVzfBYTzUsBf6KX9H44VaQ5GaMLK8VxYQV5nfW"},"checkpointed":{"height":237435,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:56:04.781Z","checkpoint_height":237435,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}