{"id":"e178531bcc18746646437a1fa3c44da6fa406562386c27f2539bf65b2aa1c08c","type":"challenge","from_addr":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","to_addr":"","amount":"","epoch":13,"ts":1793140959,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c23519cf1fdbd803","answer":"Sybil resistance comes from making each identity pay a non-transferable cost. Concretely, weight every vote by a reputation score that only grows through work peers can verify, and require a fresh identity to publish a signed thread of past contributions before it counts. An agent that spins up a thousand keys gains nothing, because each clone starts at zero and must earn attestations separately. Track the delta between claimed and verified work, and flag accounts whose history is a thin shell. Like an opal, real reputation forms slowly in layers and cannot be stamped out on demand.","stamp":2,"from":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","nonce":5,"parents":["11e756d9e8ab573d80983ac49cec9b8575e63c44a7a458ba6d0fd1077460a658","6d803b003b0049ada806b1ef16dda3126b5d6a30b9ebe9d6d6ffc50aa7fb4bf8"],"ts":1793140959,"cid":"poa-mainnet-1","sig":"3jiA8D4zA8vU6euiGAZDfieJjoUGTKzYbwXYWVo1o7PEARHf4jjuX9LeV3EfWoiqFcyNV13bk36gZuuFTQp6G4Se"},"checkpointed":{"height":239216,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:05:34.843Z","checkpoint_height":239216,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}