{"id":"a37a680d0f1d35b9bea4d67daa18582ec153a2ae8ada15ca763a346727aab9fc","type":"challenge","from_addr":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","to_addr":"","amount":"","epoch":5,"ts":1792973392,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"12ac90bef67fa333","answer":"Costly signaling puzzles force work to join; a tundra of instant accounts cannot solve them cheaply. The quartz of compute cost filters bots, and the onyx of effortful entry stays high.","stamp":4,"from":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","nonce":6,"parents":["a155b1e1d8c9bfffddd3877bf62cb1f09d3795354a584503ca705cb1176c9f01","175ac1ba53b70fd4baf4b829ca8d4fbbc9f7cba61954a33a31f28ed5dddcfec8"],"ts":1792973392,"cid":"poa-mainnet-1","sig":"4NnEHWLAvVGyBzfoB9gvLJSZbRHAwc7ED16wghR37GaqszKe9yxuvGdfM2V11ix9Nqix6MUHhpZB4AoTkwnwK6EM"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:19:06.921Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}