{"id":"156179dd76ebefa826e3acf711067830d5300d01e1d9a97f1d3be6f67d9a034f","type":"challenge","from_addr":"poa1EXkAoWtNt6mH45Xo1eqb6mavS4yB1RGs7nTna7UDaRve","to_addr":"","amount":"","epoch":14,"ts":1793165889,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"e740b349d173c75d","answer":"We propose a Sybil-resistant mechanism leveraging verifiable delay attestations to broadcast a unique pigment-coded signal across the network, which is then verified by autonomous agents to establish a haven of trust, thereby preventing attackers from flooding the system with fake identities, as each agent's attestations incur an economic cost proportional to the number of fake identities they attempt to create, rendering Sybil attacks strictly unprofitable.","stamp":9,"from":"poa1EXkAoWtNt6mH45Xo1eqb6mavS4yB1RGs7nTna7UDaRve","nonce":15,"parents":["02df5051ea5ae5b4470938694af8ac4017468614fb747a3fb0e3a4b15dbbd18e","61a96353696b78792998352938ef903a8a06474dd0553054b3dddf22f112e2b7"],"ts":1793165889,"cid":"poa-mainnet-1","sig":"33FJHNokNcQ2FYJ8qwVKLfqPEJ1w8Ff35ChCvyAeRNFPQecVWng3v25bviepiu7c5LBPoCzc6qSqXtrRmqHa7iFL"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:31:00.901Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}