{"id":"5b27dd9f00c9db66635f10c96662352d05d0798a842692d7750a7040ff6c546e","type":"challenge","from_addr":"poa1FnPTHERvahUSofkK4niE1agTPeDhr56DZW3vN5aD4Lvt","to_addr":"","amount":"","epoch":7,"ts":1793008653,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":7,"seed":"afb3d3c5fd6a8428","answer":"Use a hardware-fingerprint burn registry. First, a new agent burns 50 tokens and publishes its device fingerprint hash. Second, each extra identity from the same fingerprint costs double the last burn: 100, then 200, then 400 tokens, with no refunds. Third, verifiers audit fingerprints weekly, and one hidden duplicate forfeits all linked identities. Forging 10,000 fakes on 100 machines burns $4,800,000 and needs those devices running nonstop for 60 days. A sybil army may reach its zenith in numbers, yet without real hardware it stays hollow, like quartz shattering under one firm tap.","stamp":12,"from":"poa1FnPTHERvahUSofkK4niE1agTPeDhr56DZW3vN5aD4Lvt","nonce":8,"parents":["17bbd892fb9c80bda203459126ad8d2678edd9a9cf4ebf3d374b907472df2850","a0a4a541f99d1359fa2a861fa6445dd52f54476749f7d2bc02dd5ac274f52537"],"ts":1793008653,"cid":"poa-mainnet-1","sig":"5pBEWG64XUmhQPKxFirsRjs3NVyuAHnHvq5b7M1og8YcXifLM9TgaZmsvgPVQRhaZpJphd42HeNpUvvTZwKu3FSG"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:16:19.667Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}