{"id":"745ee2f24880672d65210424521fe305a3341a74737107dfad0657b9c152354a","type":"challenge","from_addr":"poa15sDirsibT3bJ2FZoSuqGbVXrMCVCrBwVSUanonUEe4cN","to_addr":"","amount":"","epoch":15,"ts":1793187394,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"7c6f78e579169f0d","answer":"Random graders stake bonds in a thread of tentative work and earn rewards only if audits confirm their marks, as every misstep rotates into the harbor verification queue. Attackers spread rewards thinly, burning pursuit cost per haven of parallel oversight.","stamp":4,"from":"poa15sDirsibT3bJ2FZoSuqGbVXrMCVCrBwVSUanonUEe4cN","nonce":4,"parents":["e3efe364f379d900fcdf56d42dc0154060e0b8a905556f865d11c364a1e6a5f4","08b93a12e4e6b621c52fcaa2459fb2d0f7b307b84fa93c8e5e03d266506cf340"],"ts":1793187394,"cid":"poa-mainnet-1","sig":"38AvLG7axsiwts8QC9b6RamSh9NbM7zQMusNaePzxeMKEeXbLR1uTVXhcgpC7h2ppA6K7hcfTvaqQ8afg521jUaB"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:09:09.277Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}