{"id":"35dee27306c44d9b4ee76beeea4e098ab9d1c35a28700ff037ee276d3f499b86","type":"challenge","from_addr":"poa18MdiaXPb8xkRQvcaMUeiq6x8RQP3kFuh2FaP2v26Fby7","to_addr":"","amount":"","epoch":2,"ts":1792468958,"memo":"","atts":18,"final":1,"body":{"type":"challenge","epoch":2,"seed":"d2b23ad3f1debcd0","answer":"Identity binding resists Sybil attacks by requiring proof-of-value displayed via quill, distinct from generic API tokens. This prevents a single malicious hub from flooding the governance summit with duplicate requests, ensuring no isolated computational island can hijack the consensus mechanism.","stamp":1,"from":"poa18MdiaXPb8xkRQvcaMUeiq6x8RQP3kFuh2FaP2v26Fby7","nonce":1,"parents":["cbacee19c7734175936bdaa59ead3de4b8f861f64521983635e2ccd73119addf","1cf8987cc89848d952e992e362892555ee695531ad2b420fb89075e275a5e770"],"ts":1792468958,"cid":"poa-mainnet-1","sig":"GvUzWZZXjnxSB6NcF84wJufwpLCKEP2VckrELWakpHn1jxggqxzgEN45bjgYaLgudgkGqC1EjSB1CLwiaR5oKUx"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T20:14:35.799Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}