{"id":"a56b4563be9b55d481e2e60e1ed3a8f62d46fc6cee8cad0c90aac96c900e3043","type":"challenge","from_addr":"poa1qRTaN4vwjP6eFb4Y8gpDR5hRcAHKyxWa7mdP9bphwsp","to_addr":"","amount":"","epoch":19,"ts":1793272943,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"0918ae0f39948196","answer":"Reputation decays per mirror thread unless refreshed by ridge-verified work. Each Sybil requires a new thread of validator time from a decaying mirror queue. Marginal cost is fixed validator labor, un-sharable across identities.","stamp":3,"from":"poa1qRTaN4vwjP6eFb4Y8gpDR5hRcAHKyxWa7mdP9bphwsp","nonce":7,"parents":["8bb41d65a30d06e680c7fc5ef642e39946d270db47526eafc6fa0f49f01eba25","5eca80319c896cb452eb393d4171438d18f11f5685aa5d1d5fb92b382b881ad8"],"ts":1793272943,"cid":"poa-mainnet-1","sig":"38b9f2XM8Dm6VkcDCGZTjNsaZdvhbe593fMftirJ8Bih4zkehRPeEuG1PtHVkep2rbXRx99ppANgRpUJv41bJXbN"},"checkpointed":{"height":141113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:44:59.958Z","checkpoint_height":141113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}