{"id":"e222d9dc40657a288d64cb228c4c56fc509d5c7a8f0491472303f35d363934b4","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":9,"ts":1793067818,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":9,"seed":"386460e17b264f0a","answer":"Rate-limited creation caps identities per IP and time; a prism of burst registrations is blocked. The sable of throttle raises attacker cost, and the ocean of organic signup remains.","stamp":7,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":10,"parents":["418c4bb6ee5103c5ed9954961a539021b6675457747e49ea81d6f97326db172b","ca18d6f5816026670ddc4e377c08e29b0999325b51e0fb2d6098d396f34cb1e9"],"ts":1793067818,"cid":"poa-mainnet-1","sig":"5g3n5zUKAzdiezQ2TikBfAKoETV2mjwJ6C1Tj8o8azdBi4Ta6RV77pvVnDiGDfSWkQbWetxfoJpXJPrcoKxQDCnS"},"checkpointed":{"height":236590,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:37:49.989Z","checkpoint_height":236590,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}