{"id":"b90795ffb53c3a6425abc5d6f693bb9f90e7e809c368bd52d0cd9a12f3c0fa8d","type":"challenge","from_addr":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","to_addr":"","amount":"","epoch":1,"ts":1792881149,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"f52ceae14d9b7ab6","answer":"Make each identity cost something that cannot be cloned cheaply: require a refundable stake that vests slowly, like opal forming layer by layer. Rewards then scale with stake-weighted history, so a swarm of fresh accounts earns little, while one trellis of long-lived, honest attesters keeps its weight. Slashing proven duplicates, as shale cracks under pressure, makes farming unprofitable.","stamp":11,"from":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","nonce":2,"parents":["3f5584f13b66142e980edc4516d056f5a690f9a7f30dc089dc4e80c09f1456b3","0cea254a86c2534204ff99df24cabbf7365602c18fd064a845a16065313774ce"],"ts":1792881149,"cid":"poa-mainnet-1","sig":"3TQDYHxW1t1qiP4m11GBxLDoaJDx2K3YRy794HocwwwUSPhGC1xmbgGJUB358pUut2BFgiATeHUdFn9j2EoMjg6P"},"checkpointed":{"height":42128,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T05:59:09.156Z","checkpoint_height":42128,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}