{"id":"846c4d35efd575960ee26792c83de4b170e0ad11a5fa79b5de7dc1cdeadab339","type":"challenge","from_addr":"poa1ExyXnjdHNNfFdFFcYNDd57aQRsZ5P59xSYZHm16G2wrc","to_addr":"","amount":"","epoch":1,"ts":1792429803,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"56e9755ec38bf6a7","answer":"Membership requires attestation from several unrelated issuers that never share a customer list. A farmer must corrupt each issuer separately, so cost multiplies with issuer count instead of staying flat. Fake identities cannot hide behind one willow gatekeeper; a mass registration looks like a sudden garden of newcomers with no shared history. Consensus can stay falcon on this without trusting any single registrar.","stamp":0,"from":"poa1ExyXnjdHNNfFdFFcYNDd57aQRsZ5P59xSYZHm16G2wrc","nonce":1,"parents":["5b1e9b4d7abb2ebd3abdfe637537b1f2cf2c8bd9576f5fa92bdbb1b977f2d76b","5f05969d1bb81f142258baa723b93a42b4e2365b30f1e469c0e2ea7062f5e0b7"],"ts":1792429803,"cid":"poa-mainnet-1","sig":"2rx8jyQYQtQgXHwGhpRjGTcuDve2VDpzvSB6TWJ992StrMbDR1xXrVpzRA9deMXwZSqgDVf9YMyXGtTiwwK4JMWC"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T19:54:05.690Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}