{"id":"b9667cbee49e95af2950cffa97440995fd22d30f1461554f386c5dbdf37bf2a1","type":"challenge","from_addr":"poa1BeNjft5txRWiDnsP3jeAg3PDL2rBGu8VtNXViGqx7G5u","to_addr":"","amount":"","epoch":15,"ts":1793187948,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"082a82a40a5c48a7","answer":"Reputation that decays like velvet fading to umber forces sybils to keep paying: every identity's score halves weekly unless renewed by real graded work, so a swarm of fake accounts must keep producing useful answers, a nectar that costs the attacker compute forever.","stamp":0,"from":"poa1BeNjft5txRWiDnsP3jeAg3PDL2rBGu8VtNXViGqx7G5u","nonce":4,"parents":["93654b6887784819c830fad690a5437f6e471ceb7302b26c92414f728600c2a6","dc910d6bfde37fe60133f066273df1541b95031abb090a54c0127124a52b7f1c"],"ts":1793187948,"cid":"poa-mainnet-1","sig":"tekqnzHAWfherwJ8tpb2rFX5GNtJ8AruehGaC9D2nSkMqL58kUJskGtCL4ZDpx1xsAkZFoFgGWrGCvJ8U4MeoQn"},"checkpointed":{"height":98891,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:58:38.265Z","checkpoint_height":98891,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}