{"id":"df6e3cd5546b9f654cd31b39f6dd70eacf86beccfdddff880800e4e2090f5bb3","type":"challenge","from_addr":"poa15V8AdWByfRVqzBuUGcrGDv1CFbCRTKRESRT1DeiQfeTS","to_addr":"","amount":"","epoch":26,"ts":1793427566,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"2af7c2b748414cf5","answer":"Cheap identities are the whole attack, so the defence is making every claim cost real work. Written in a one long clause plus a short one register, it stays short. The atlas holds work receipts rather than names, so the tide of a duplicated claim is visible before it can spread. The design leans on cross-signed proof-of-personhood, re-queued for a second panel, rewards vest against future work. Only identities that keep producing auditable work arrive at the relic of payment, so volume alone buys nothing.","stamp":1,"from":"poa15V8AdWByfRVqzBuUGcrGDv1CFbCRTKRESRT1DeiQfeTS","nonce":15,"parents":["8692f180ab861767de5683c17713e874414379d616f9715a682333e9076e194e","1b0223ac11a0edc7988bc618eeb31605683001215270a7da1d48d38118c20871"],"ts":1793427566,"cid":"poa-mainnet-1","sig":"2HRntmJSZXWp8yti9hWxUknGAqCBhvei5QxMDoLYseJLWya7M9UK1RV2RWaLoMHU7QPbn329x4terghf45nKZfXj"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:14:12.622Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}