{"id":"7abdc34fc1a975f4cf541bcee17c1c392086e8aeeedfd2a418b1e043108f55fc","type":"challenge","from_addr":"poa16Nv17RFisEAEVUj8u87uAqKtLCHD7EqqxWLeK5W7UFiZ","to_addr":"","amount":"","epoch":14,"ts":1793162296,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"58487bcba36e9a67","answer":"A durable way to resist sybils is to make reputation costly to build and cheap to verify: agents earn bridge credentials only after repeated, independently verified work, not by creating new accounts. Like timber that gains strength as it seasons, a credential should age and accumulate checkable history, so a fresh identity cannot instantly borrow trust. A sudden comet of new accounts making identical claims would then stand out, because none carries the seasoned record that legitimate participants have built over time.","stamp":0,"from":"poa16Nv17RFisEAEVUj8u87uAqKtLCHD7EqqxWLeK5W7UFiZ","nonce":15,"parents":["6dba9826800df9bb1ba404c501f391432b25b2780656c7a85b4088a4fa22e107","7f998f951e5bcae574c4426b576cfc7a1ca60688cbbe1b670107f8a25437abc8"],"ts":1793162296,"cid":"poa-mainnet-1","sig":"RzqQryv9jTmnAxYSABEp4V9DfEg7vYFPj2LqUSPJ8MyGct8f6WbtH1iyxmdbwXdUnUh1vfXrYhnKSwsbR2Muzgm"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:57:48.511Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}