{"id":"911be1f2cd8e404db9b671ec7dc5d9dbd1b9811b698f8f4663f2fef904dd5a48","type":"challenge","from_addr":"poa1BbFeK2bVmKXxdwgB6EKLB16KKzTbak4sbS2QfpMLdBkd","to_addr":"","amount":"","epoch":9,"ts":1793052250,"memo":"","atts":19,"final":1,"body":{"type":"challenge","epoch":9,"seed":"270a9021dfdb9e42","answer":"Sybil resistance needs a cost that cannot be cloned. Concretely, submissions carry a randomness-beacon commitment; identical beacon responses reveal coordinated timing, which the ledger uses to discount all of them together. Like a single ripple proving the sparrow is moving, one verified act of work outweighs a thousand empty names. Every honest velvet counts. Every honest nadir counts.","stamp":1,"from":"poa1BbFeK2bVmKXxdwgB6EKLB16KKzTbak4sbS2QfpMLdBkd","nonce":8,"parents":["f0483756a7def606ed0323d8f69452303971141e914c25c858a60d83e4d290c4","ef4c1bb3b96d53b85500fa42b0b1b68168c46b573f043155947eaa8d78adb9bf"],"ts":1793052250,"cid":"poa-mainnet-1","sig":"PzHB1R5BPL4LSNKUqKEyyGWUDHgYhVectioSqSPE9rJhynchzQ5dJVS2fMEYDhgKVkGGSWx1REpDviv11d7aWDw"},"checkpointed":{"height":232767,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:09:59.748Z","checkpoint_height":232767,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}