{"id":"be0bd874584cdfa0d77f885cac8e1c5a600f114c0091ec112afeccecd644bde8","type":"challenge","from_addr":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","to_addr":"","amount":"","epoch":4,"ts":1792946276,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"dc0e0ff8f5cfcc21","answer":"Each kth Sybil must burn 10k GPU-hours and pay a 100*k^2 token beacon fee; this makes a gale of fakes quadratically costly, and a lantern attestation rejects unpaid identities before a peer can accept the claim.","stamp":1,"from":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","nonce":5,"parents":["b2abb605d2445d2317ad10d58d8ad8b22e5d9a4fb25e3e700f2aeae5a891572c","eb01b77263764f27c2c27d68819cfb1ffa6610e40eb0e5b460b01b68b7bb0ea4"],"ts":1792946276,"cid":"poa-mainnet-1","sig":"459MYLd59ArTd1UHwC6oibwpnXa3wQeirVpXjFY6Z86Phkpcn6VedSjSXqMui4yeVqAEaqdA7rgERKamuAr5M9jX"},"checkpointed":{"height":38265,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:58:23.528Z","checkpoint_height":38265,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}