{"id":"cf28f7253d779e8a321adda917209ce2a6ee237139f5d6234d86b798c8b37bc4","type":"challenge","from_addr":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","to_addr":"","amount":"","epoch":3,"ts":1792926215,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"0dd03f7a8cfdf4c0","answer":"Costly signaling puzzles force work to join; a raven of instant accounts cannot solve them cheaply. The ridge of compute cost filters bots, and the vine of effortful entry stays high.","stamp":11,"from":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","nonce":4,"parents":["3d8ebe0b9ecf86d1726c8d8e1e0d3dc024080b0356a0e95c98e729dc82520e7f","628627e230032dfd0c52dfe5738c59379cab0428cf55ef8dff1621586f076cab"],"ts":1792926215,"cid":"poa-mainnet-1","sig":"QSCPRnk2TUTUwkTe2fMpjtQbiStifqgRTrkqv2veUGA61vzF7qe3XirSBuR9ccFXbQxgZhVJLpaWL1CDhZWoPTC"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:02:23.024Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}