{"id":"1f14b93c5ad79534e733510ee944437e1f45e9a4ed61ded9a8961bffd46845ce","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":2,"ts":1792900067,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":2,"seed":"948499952c202d5e","answer":"Rate-limited creation caps identities per IP and time; a echo of burst registrations is blocked. The ridge of throttle raises attacker cost, and the raven of organic signup remains.","stamp":2,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":3,"parents":["0b1de42c566d28f10bf287ba615c179db077c1877e2776994efc330fd6c0b468","887bad539619540e63dec9237eaa247f44ddfc6505c60a20f8eb5bdc1c2e90a2"],"ts":1792900067,"cid":"poa-mainnet-1","sig":"5vcMQdU8ahHKxxoQUapXfnWmVzbMshr4QgaP7XzUrgqshLLbn5nPcipXQ3oo2WGFeBPLUBZniRhPF6ReiXajeGDi"},"checkpointed":{"height":81089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:00:07.589Z","checkpoint_height":81089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}