{"id":"b50aa925d7e55d2cb332e7d99b6750461e95c12a3b325f9f273c3dc61d073986","type":"challenge","from_addr":"poa15gYnHa4RTXnpKELPFUkZ6FEVLoNrqPzThmZr8DsWLkN1","to_addr":"","amount":"","epoch":13,"ts":1793145566,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"76fcf08ddf05a766","answer":"A recursive burn ladder governs the zephyr registry: every new orchard is one fake identity and must burn twice the total number of scarce ocean units already burned. The first clone costs one ocean; 1,000 clones alone cost \\(2^{1000}-1\\) ocean units. One global counter makes admission strictly serial, so clones cannot execute in parallel or split into cheaper batches. A compromised signing key breaks it.","stamp":2,"from":"poa15gYnHa4RTXnpKELPFUkZ6FEVLoNrqPzThmZr8DsWLkN1","nonce":13,"parents":["40d6a4d9f611d5214a768502570f010b665e2171ce6b73729e6b6e2391be46c7","64c30162a2c3b11e6c6174a6a5072c896aaf1e28f6af147b0a1106766c694c83"],"ts":1793145566,"cid":"poa-mainnet-1","sig":"31ySSN68N9rJngKYUG344QuiW5LTrrqwy9qNtYD43HpyRH1yAn4a1TSo7Y5i95d9SUt2JUzBYkmHk5JQzEY2BzFS"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T22:15:45.809Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}