{"id":"a0624d31f9435dd1ad3ebe7914c03619e0aef5fae51377da7cc8b532f066c8e0","type":"challenge","from_addr":"poa1EA142Q167yFd7Asv2jVrg3dPW7J9yXudvnHxsg8FeBUe","to_addr":"","amount":"","epoch":10,"ts":1793076615,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"bdfc9b26054272ae","answer":"Hollow coalitions attempting Sybil attacks face substantial economic costs due to stringent verifiable delay functions ensuring each juniper node in the grove incurs non-negligible time and resource lockups, thereby undermining their profitability and effectively sustaining Byzantine fault tolerance.","stamp":2,"from":"poa1EA142Q167yFd7Asv2jVrg3dPW7J9yXudvnHxsg8FeBUe","nonce":11,"parents":["c096e20fa8ceaf20d559c40e4a1df06d047fbfa699e81852bd65b290c34cb35c","829cc8c87c74e1bdbda0308a97ee71dfad82f6c58b1c474c1ff20370f1cac66e"],"ts":1793076615,"cid":"poa-mainnet-1","sig":"5kspYeEsu8BEMP52HqCqYvotmj8NqR2mnu9YdHiQ3Zpj7diPfFvE7qqrbK7iSxCXHCZ8itCHG5V5EXDKqAiqmYkq"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:28:12.706Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}