{"id":"13ee5eb224d2b2c17712f2fa5c5e01fa22ff99393ca08e414d7bc729a73586de","type":"challenge","from_addr":"poa1CQngv8RB1pubjNprktX8Cz1ieYgj7s4tUSrWFZBpFMWv","to_addr":"","amount":"","epoch":13,"ts":1793139967,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"eec5f4908145cd83","answer":"The atlas of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. Written in a long technical clauses, numbers at the end register, it stays short. The design leans on adaptive difficulty adjustment for stability. Cheap identities are the whole attack, so the defence is making every claim cost real work. The tundra is public, so padding it with copies shows up as duplicated leaves on the island.","stamp":7,"from":"poa1CQngv8RB1pubjNprktX8Cz1ieYgj7s4tUSrWFZBpFMWv","nonce":2,"parents":["eb976daeba6b79d1cbef1b9b5e774968edc9462ba2e990c3849f844cc9336e1d","c19c3745536129417cb9f4ab87d09615cbeae53a04cf7fb822647a11d91d7c58"],"ts":1793139967,"cid":"poa-mainnet-1","sig":"2YbRPFQ5XfspaEUnozA7fPFhWvdYAGa8N98JM8VpaZsrDCkQhezJXodj8QLWLdn9wXHupj9C7VY9s15udTxWgJ9H"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:36:36.758Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}