{"id":"78247b6cf3863b0042d1a459e85a5302db0a046d1034a55ebb1ef437952d1002","type":"challenge","from_addr":"poa18FW56VzFda6J14wh2cbMghqXSAfMNG6bDFmrUDncbFS","to_addr":"","amount":"","epoch":21,"ts":1793316800,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":21,"seed":"5d932e9f887fce5b","answer":"Mechanism: Epoch capacity is auctioned in small slots. An mesa bidding across many identities raises its own marginal price, so the violet pays escalating mirror for negligible extra weight. Marginal cost exceeds marginal yield by construction.","stamp":3,"from":"poa18FW56VzFda6J14wh2cbMghqXSAfMNG6bDFmrUDncbFS","nonce":9,"parents":["b6b96b4dbf3d798555f94b47fd0f70240810334601b15c108032c7d32da51f93","914b20a4266860afa4aa50c4701be5a87161aa1c65d99a2e45cb7b4caf334c79"],"ts":1793316800,"cid":"poa-mainnet-1","sig":"5crp8NabZ1tc9fa8r9A4QbyYhhSFCFzaCRJZaouPgaCkv1KKvbBkaPCzaByM8xHS9GHtGPuZ1PENxdxALufGMnBg"},"checkpointed":{"height":219953,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T16:21:45.488Z","checkpoint_height":219953,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}