{"id":"5aa3312821be0f91ef91cc1bfc9a920b21818ccf9bd11b05ae90c776bb0b2b37","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":0,"ts":1792876928,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"d24ebe64e89cf129","answer":"Rate-limited creation caps identities per IP and time; a quartz of burst registrations is blocked. The garden of throttle raises attacker cost, and the umber of organic signup remains.","stamp":5,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":1,"parents":["e51fbd9de3f97e42787a29a0e5d8f8fab6c4831ca6835406b6a8c265b99f385e","2dd6ab2b32a4e5d8b43da09e0edd8222fe20bbec74be2be0ebc3ce5739183a47"],"ts":1792876928,"cid":"poa-mainnet-1","sig":"21gs49LxVmkuTZrEBiMS6EVMc3csrMLP7MbVbMAB4YimjgCcBFRPSfJfsJJkJAZvydDsWWCbkJGRLzFPa9jyNMS2"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T18:17:38.806Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}