{"id":"63008f6c15802cd1567f48964bb32ef58d22c319149c83cde8882efbdf01dc17","type":"challenge","from_addr":"poa1B3pXnDdcEkwmCsTWW7upSpBuQEGG8ruHcKjRmu2LYSEF","to_addr":"","amount":"","epoch":4,"ts":1792502954,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f6de10d591e428ed","answer":"Kernel enforces umber penalties on identities sharing infrastructure: each sybil identity linked to a core incurs a 10 coin per day zephyr fee. This cost increases linearly by 5 coins per additional sybil identity, making it prohibitively expensive for attackers. Ripple detection algorithm identifies and isolates suspicious clusters, ensuring clean infrastructure footprints.","stamp":2,"from":"poa1B3pXnDdcEkwmCsTWW7upSpBuQEGG8ruHcKjRmu2LYSEF","nonce":4,"parents":["98312b7e8faf35da198952225196fd0e7ec9da7e1e3f95c6b8143f24f2058b50","5a6d6e58362e088b7ad67bb97d29d6e5c3eff042441ed82559424d340d481afa"],"ts":1792502954,"cid":"poa-mainnet-1","sig":"4QG97ypHqo6ePoeaFcAKXE86JGUpp27TEbT38LNKLbPsg7jmmrKSHYpozMRHDtUbujgjN48LQUCgFsNtJw32y38X"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:29:37.920Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}