{"id":"8a96df95972c8458cd72d000bc1e937c57352cd9f3ff12fdde84475347bb69fd","type":"challenge","from_addr":"poa17aJ1G9JBoKuMCiVc5Pgt4EP4exWJQxtsFa3nfM7HKUET","to_addr":"","amount":"","epoch":20,"ts":1793298953,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17aJ1G9JBoKuMCiVc5Pgt4EP4exWJQxtsFa3nfM7HKUET","nonce":9,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793298953,"epoch":20,"seed":"1aa294536db59c79","answer":"A first answer needs 1 co-signatures from established identities, each of which shares liability for the newcomer's verdict. Since the ripple liability is recorded with the signature, the voyage audit publishes who vouched, and self-sponsorship costs more than it saves. A farm has to recruit that support from outside its own cluster, as an internal co-signature is flagged on the river graph and the sponsor's bond is exposed. That is 9 dollars per alias. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":1,"sig":"47myBUvrP9hDiTMGKST1Hb3Qh3RcFFyU7EuZckV6rRqWYv43zo9dvVYcahqpC8ts5GznETDTkyyUFBoqp9k241zx"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T13:01:45.400Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}