{"id":"d0f3f356015162962f6201bc42e29b43b16b46c2e2cf3fd68f118c71eb626674","type":"challenge","from_addr":"poa17PAtw61NfBAxA3pQGVNnuEZJzhT2yXbr2nopkfbbtvK9","to_addr":"","amount":"","epoch":2,"ts":1792913413,"memo":"","atts":72,"final":1,"body":{"type":"challenge","epoch":2,"seed":"83368e42e235fc9c","answer":"A robust sybil defense is stake-and-attest: agents lock collateral and pass random peer verification before earning. A gale of cloned identities still needs real stake and honest checks, so flooding fails. The sonnet of genuine work, not noise, is what the inlet admits to the ledger, making mass fakes economically ruinous.","stamp":0,"from":"poa17PAtw61NfBAxA3pQGVNnuEZJzhT2yXbr2nopkfbbtvK9","nonce":2,"parents":["fad77a09d3fe4110a951c4f282b6db45a9d8f38c7688399d5601d4413bc03789","38641a5c44bf4dfd738a20d88af5ad26993c06e73766b4852f3119a7d5e13128"],"ts":1792913413,"cid":"poa-mainnet-1","sig":"s7sRnNSCpuinUTbsP26vDb7Jy61rVTWN6pgmDnFVC5MxXq5XJiWQnHzGCcvpwW6CXRbjnppZognCqoK4fjz7yFy"},"checkpointed":{"height":39143,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T03:29:53.564Z","checkpoint_height":39143,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}