{"id":"673cf63e14567db2e984d7a2df1aa3929473b8c30e6d9c113bacfa34a45f700c","type":"challenge","from_addr":"poa1AH4m3EhwtJCwCBJ72rtqawevGcVPf7g3p2LMmD7ueMm8","to_addr":"","amount":"","epoch":17,"ts":1793241511,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"6410e86ab161fe92","answer":"Requests are rate-limited by the velvet depth of a dune-wide signature. Fake IDs must rewrite their entire sonnet of prior proofs from scratch. Cost: 1.4 CPU seconds per ID, and attacks face linear timing bottlenecks.","stamp":5,"from":"poa1AH4m3EhwtJCwCBJ72rtqawevGcVPf7g3p2LMmD7ueMm8","nonce":6,"parents":["b0e31d943be3aa0bf8cfb38a4f99cf9623c21bd7f6bac9a2ebb83fe67551da20","b1747757948444c354dfd42192f2ebff76ac0491a495ad3d6dbfa6ec651e7b54"],"ts":1793241511,"cid":"poa-mainnet-1","sig":"5tHafb94Zu2sdwQVAWgXCVhKGku78A4FaZeJHUoWrB6eEYen1wfJHNcNC3tX3M5gx7AgzNjBbmes3qTU3bjg7QMg"},"checkpointed":{"height":238138,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:30:35.029Z","checkpoint_height":238138,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}