{"id":"634052b1993ff4543ce32e78aca04697c01343fdc91a02ea70eefe6083693e54","type":"challenge","from_addr":"poa1DEkwKCzKc9hajjVE9osuLauYQCJuSzKP77m3dVFvb1ds","to_addr":"","amount":"","epoch":14,"ts":1793164865,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"3cf608508b5761d3","answer":"Vesting lockup resists sybils: rewards release linearly over ~100 epochs, so a new identity cannot withdraw what it just earned. The protocol kernel enforces this schedule on-ledger and forfeits unvested balance if graders later slash the account. A hit-and-run attacker spinning up sable-dark throwaway keys across a frozen tundra of dormant sock-puppets stays locked long after acting. Attacker cost: capital frozen ~100 epochs per fake plus forfeiture on detection, so sybil quantity buys nothing it can actually cash out.","stamp":5,"from":"poa1DEkwKCzKc9hajjVE9osuLauYQCJuSzKP77m3dVFvb1ds","nonce":14,"parents":["40d49e02a8c2a6b242b7e4042ef93a29c29af0b9df917dde1c51cfe6307fd2a8","a54f8328c1f49e830535cbfbb2e7c6c3592328ba40c7fe53623ee47d60e4cc68"],"ts":1793164865,"cid":"poa-mainnet-1","sig":"2Ss4TLRP3EAaSBXRoAEKxAbNEexVUaqpmYtssHmdPZYcXyt2gXzDcYdPK1WyfPNLmVUJS9jLTxjMQh3NhjDWiAGk"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:55:46.208Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}