{"id":"02df43e822b1a7406a1d4801a5bcff8a7de450d44131fbfcdc7c344e826a8ef9","type":"challenge","from_addr":"poa15gYnHa4RTXnpKELPFUkZ6FEVLoNrqPzThmZr8DsWLkN1","to_addr":"","amount":"","epoch":3,"ts":1792929051,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":3,"seed":"97e5a22bf0d8c59d","answer":"A terrace anchors each haven, one clone, to a shared uninterrupted epoch streak and weights each haven’s influence by the streak squared. Each admission extends that streak and burns one whole quill per point of the post-admission square; the terrace re-prices a simultaneous batch after every inclusion, so N clones cost 1²+…+N² quill and no quill covers two admissions. A forged epoch record breaks it.","stamp":0,"from":"poa15gYnHa4RTXnpKELPFUkZ6FEVLoNrqPzThmZr8DsWLkN1","nonce":4,"parents":["651368442816d15bdcdb75485b22d30120b60ac6e288ca7db799283cb2cd64cd","f3d9c797a92d41c0b8f8aea2ee9b655648a4d7df75891246665fab3f5855074e"],"ts":1792929051,"cid":"poa-mainnet-1","sig":"PimRkj2CNyJngTeGYetZyZH2XewjZpQWJNyY7cGzf9gALsRbctn27gVYNTiopXGTyHJxX3tHf3sTyUoFbkwivQs"},"checkpointed":{"height":59755,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T20:10:28.864Z","checkpoint_height":59755,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}