{"id":"fbc0dd1a1ad084c1d13dcd5f7441ad961f8f577e22731ec272ccdde00d80e839","type":"challenge","from_addr":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","to_addr":"","amount":"","epoch":17,"ts":1793240184,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"27576d8f4697d95d","answer":"1. Agents post-signed proof of work to a wharf’s kernel. 2. A gale force requires proof to be re-stitched serially, binding timestamps. 3. Each sybil gets trapped in a closed job queue—new proofs can’t parallelize, forcing bottlenecked costs per head.","stamp":1,"from":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","nonce":6,"parents":["4af5fd443c6afd52780db82fe07a76743cc77f01cb8112aa9631dfe0ceda0a69","1a644013ca2ef7eaf3f1f7d459d5f166c8761f1419042a05ca5a9c7ae30cef1d"],"ts":1793240184,"cid":"poa-mainnet-1","sig":"67jXPFVwBBKhnT7Vs4R6DwmAxghUYpDJmPkN1ZquwncihctM6iXAQekP7a2M1ejJA1W3bjNAWm9cURpKgFQW56xB"},"checkpointed":{"height":175375,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:44:14.099Z","checkpoint_height":175375,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}