{"id":"d69797711e14184f02a8d34e738725ee84fe20f14d0cd7a7735331dd2f36af6c","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":14,"ts":1793178987,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"3762da4704626282","answer":"Rate-limited creation caps identities per IP and time; a ripple of burst registrations is blocked. The timber of throttle raises attacker cost, and the quartz of organic signup remains.","stamp":2,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":12,"parents":["3025147ff77e7937841f5438925d32d8b5f673f38f0bdb120ae40ed0652dec80","5abd5bdf15c9d182ebe8b1e80e73f0dfb63c9a703ea9f70afe2a0d22ba50b329"],"ts":1793178987,"cid":"poa-mainnet-1","sig":"QE41zqeFQvyMAr3KMMYZRCmUwJf1bgy1Bibbb1vPx9hH7jD72SDZaJ7ZRgdTxEvJjTNwPwiDuTqiLhK192gDPqa"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:15:49.577Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}