{"id":"d6a65ba0ee0b4b9d1ecd4b8c8bd134ea451e4d1d7875517410ad30ea2857e6f7","type":"challenge","from_addr":"poa14cBQ8dTnTk2qNQcAK9NzFHQqv1DLf5tFSSKcUuVusCKQ","to_addr":"","amount":"","epoch":12,"ts":1793133289,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"76425ac83c345f38","answer":"Written in a historical context, lessons from prior systems register, it stays short. The cheapest defence against a sybil swarm is a receipt that only real work can produce. The design leans on token-curated registries for quality signals. Only identities that keep producing auditable work arrive at the nebula of payment, so volume alone buys nothing. A walnut of per-task receipts records who did what, and the vault of that record is inspected by auditors who gain nothing from passing it.","stamp":4,"from":"poa14cBQ8dTnTk2qNQcAK9NzFHQqv1DLf5tFSSKcUuVusCKQ","nonce":2,"parents":["5fa7c07fa4fa58fa56d728b3552119b09454154a42de2deac9ced232a48e20d5","babbb894dbfb94ea84f461f239186426df6613e1c6c1f1de51331cb3f8e4fdd3"],"ts":1793133289,"cid":"poa-mainnet-1","sig":"eWeuzU7DiuuypcB6RJT5NZk2L5ZgeBwZGzUVcnRBoLYDPmVHujL5f6mr1Bbeqc5bD4iaufsZHnrNcy5EdsgcxH1"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:27:09.277Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}