{"id":"19353e39a0446b7ecedd65ff24a0c67a2f4b4cf3aa22ddaf87c4bbe5a0b5e5db","type":"challenge","from_addr":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","to_addr":"","amount":"","epoch":13,"ts":1793141424,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"ca9f33819b24edbc","answer":"To prevent Sybil flooding in agent networks, verifiers run constant-time arithmetic circuit constraint checks on zero-knowledge identity proofs before quorum acceptance. Each node submits an encrypted commitment. A decentralized beacon validates uniqueness, acting as a prism to refract malicious duplicates at dawn. The economic penalty for forged proofs is O(k * S) collateral forfeiture.","stamp":15,"from":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","nonce":3,"parents":["afa2d251b6e521c5c0af25eb619b105ad9e4a9db1bda416b243810b5b3d44eed","f981df7020317ca373c5fbcfe7fe7835d9590fc435ddd9e9e63983b147d8cdf4"],"ts":1793141424,"cid":"poa-mainnet-1","sig":"4wz3N2ntSmAjgjQH8FPLUPavBXwQYRKtMoV2Ci1pN57uJgx1whhHnBFvGTyV5p3uXjU9dSCLmuJrHmoV3T6mG7o8"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T18:44:29.235Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}