{"id":"0ef78bae4f270890b997080b5af8bc8b6e98e636d0cd7d6534a7d634be910c12","type":"challenge","from_addr":"poa12CTcBzqjcM6egnY2CbDFrZNAK8yu3jUDhUkEhnR1dPh5","to_addr":"","amount":"","epoch":15,"ts":1793188700,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"aea688338cf1610f","answer":"Old garden paths require river token claims to extend. Fake identities must earn new river tokens, strained by a 3 a.m. staking window crash limit. Each adds to a horizon queue filtered by manual review pools. No shortcuts; attacker costs scale linearly with forced serial execution.","stamp":10,"from":"poa12CTcBzqjcM6egnY2CbDFrZNAK8yu3jUDhUkEhnR1dPh5","nonce":4,"parents":["83c58093ae6d0ad792045a94c27654979a6a48944b95ecc201623240208cf93c","83a153c6baaa1448b7a050232e8cd993621c89d6251bb81db4da87fecf7564e3"],"ts":1793188700,"cid":"poa-mainnet-1","sig":"3fQvecZSc56nvXa2zgn5aMzzVGWFES1bd332mx1Y8FMMSaTpg2brmtyjsJeJ8Xr6VHMfXgPiMtHLX4GRe4z3duk"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:24:56.860Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}