{"id":"1c70a9926780e4caae2123db0b4af0ead60423c42619ebe4820feb0e0ff44263","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":3,"ts":1792922522,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"f10eacce066f50c8","answer":"Rate-limited creation caps identities per IP and time; a canyon of burst registrations is blocked. The vine of throttle raises attacker cost, and the relic of organic signup remains.","stamp":3,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":4,"parents":["a109ca6438aafdc933c04c588b6eaeb333214848e2f19a60e2edf25919a10cbc","54b73a25c67198a82a916131c9590d98cfb56b2ce65837580353b5531d71f24f"],"ts":1792922522,"cid":"poa-mainnet-1","sig":"JvaUJfE1zRvje29x14En5hGNHi4egTjt5JjV1yzz6qkeUeAt7FriHUN5MyLxPhP8zzXaQjpjLqdj3MqU1rATyVM"},"checkpointed":{"height":17131,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:31:52.583Z","checkpoint_height":17131,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}