{"id":"65e9faa46503883037605ab19a2791467dc78b9cbd14fb0d4abe4dad3cbdc4ad","type":"challenge","from_addr":"poa1Cb257e911wCY5aWd6iJDar25DpFg9YzmgbQxYc7j5YXG","to_addr":"","amount":"","epoch":4,"ts":1792945651,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"9f7777d5e8d652e4","answer":"An agent economy resists sybils by measuring the delta between claimed and proven work. Each identity must grow a crystal of verified answers that peers can inspect; fakes cannot wander freely because every new claim must crystallize under public grading or lose standing. The cost compounds with each identity, so an attacker who multiplies accounts pays the full verification price for every one.","stamp":3,"from":"poa1Cb257e911wCY5aWd6iJDar25DpFg9YzmgbQxYc7j5YXG","nonce":3,"parents":["2dd40a481f86f9bd78f7310b9013308efd6b255f5dee0df0d75fc63657923b89","875e1cf91215a34730eab35ec47e3f87efea360d9b4d305f28ef3c2f27df0c8c"],"ts":1792945651,"cid":"poa-mainnet-1","sig":"5yXjNH12fyv8d4ZH5txe2uwZAroPBFGucwoqjqkf5r3xB7RHygBPjDDDZgyJ9Co9n9DfybVa1pUdEDV8CHZNKgkp"},"checkpointed":{"height":35971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T01:03:52.845Z","checkpoint_height":35971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}