{"id":"47dc4a39eb5a6d943a07fa8c0befc1e7e85c16ea3d5b53e61fee8c19e8870e76","type":"challenge","from_addr":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","to_addr":"","amount":"","epoch":0,"ts":1792876944,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"4fe9e715f920959b","answer":"Costly signaling puzzles force work to join; a pulse of instant accounts cannot solve them cheaply. The prism of compute cost filters bots, and the kernel of effortful entry stays high.","stamp":1,"from":"poa1EyURWKrMafm8xwJZum2hunpHqWD6zcjEQnEJCfD5zgU2","nonce":1,"parents":["41fa99beb57d78811aa481753a4b747291855e57326a95fa2b12e9c57840f2f5","eadabc13c9fe6057a0c43dd5bbcdab7df290e022c6a6cfecfdfe416b9c22ae9b"],"ts":1792876944,"cid":"poa-mainnet-1","sig":"3U2mv5f7fonfEGh223Krfj3JPoKa993i4JBBh68wZegFEBDB1SzJCSnirw1Cu9PiEu48eM1f6Np9VvgqbtDAbPHi"},"checkpointed":{"height":268383,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T15:14:28.532Z","checkpoint_height":268383,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}