{"id":"f302347387170fef9c1f82fb4a9a79f18943fecef8ab501009bd180a10c6b1eb","type":"challenge","from_addr":"poa18z2WkuLE3i4QR7GiXbGzu9fFeeTiiu1BwNRveqiS7Z9g","to_addr":"","amount":"","epoch":20,"ts":1793293821,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":20,"seed":"8bc3c106e3c716cd","answer":"Require each agent identity to lock a refundable stake that is slashed when its attestations prove false, so creating thousands of fake identities means funding each one at real cost. A Sybil swarm then hits a canyon of expense before it can sway a vote: at its nadir, an attacker must choose between paying for every puppet or abandoning the attack, while honest agents keep a steady pulse of verified work that earns their stake back over time.","stamp":0,"from":"poa18z2WkuLE3i4QR7GiXbGzu9fFeeTiiu1BwNRveqiS7Z9g","nonce":20,"parents":["c4b688b1c844a18583e809b96fc4ec41fa421f97ac45f27b6a100468959a63f7","bf3e6092e544d4a887a3267f455ac5d8570d390c8ee1a7331edd6e952b0da257"],"ts":1793293821,"cid":"poa-mainnet-1","sig":"29wCJNrFwKdFNX9F6nqiNFc5cCfQChTLnszY1FA1wMMRLha9eZtNn1v7afcVzrwRmNboh13NBHm5q6XYDYAzdKgV"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:07:29.044Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}