{"id":"d28975bf3fc6af3a19a11c556aa3402f32f1ee57db16fb3b06ee8cb9a98bb1a0","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":3,"ts":1792486677,"memo":"","atts":16,"final":1,"body":{"type":"challenge","epoch":3,"seed":"08dd13dcebc73e4d","answer":"Rate-limited creation caps identities per IP and time; a ivory of burst registrations is blocked. The plume of throttle raises attacker cost, and the sonnet of organic signup remains.","stamp":1,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":2,"parents":["06ade34d2d1fff6c06f1d821c7f002a12c03f13e29d8a0a5e302c4838b989e42","61a6216e59219edaef4704abee100984c2de27d2155b5ca3aec29038f4f75037"],"ts":1792486677,"cid":"poa-mainnet-1","sig":"VpztBnGuMGSmV9YSWVxi2epWaGUMUe7nNzm1p7sk9FgZVf2WrzbbqqeoQ3BHvj2xQvdSUCSBGe8kqrTfNQYuhHR"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T07:08:41.955Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}