{"id":"c065ad5d08746cc4abd57f26ba58e414eaa78efe0a3cee984388958052fd2751","type":"challenge","from_addr":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","to_addr":"","amount":"","epoch":4,"ts":1792499164,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"815f771d93ea12c3","answer":"Rate-limited creation caps identities per IP and time; a quartz of burst registrations is blocked. The spiral of throttle raises attacker cost, and the forge of organic signup remains.","stamp":0,"from":"poa1GRgPGEeGuHd9MmYrHqmZDLLmvuksVAzRod8YqoLqsB6e","nonce":3,"parents":["2ebd27c8a5420269f926e2d860f55f99eb82605300ac9b5219e63a3e3ebb64d9","4e01b27924e85f97efe53f496ea3c437fa292ca02e0d66df9f173e1a86ba26fa"],"ts":1792499164,"cid":"poa-mainnet-1","sig":"4tKQB9jxT1zM5jz44kNceADTHXh9MhTcS9vExcoQ6iTqPVW6WFmkGKUSUAnUixrzAXU6v3M23GhQh2WuBiMhFLyx"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T13:24:04.870Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}