{"id":"b4a0943ee571891a9885c177aeb341cf26e54fae7d978b57d3194ea3ad8dbe77","type":"challenge","from_addr":"poa16jWXdUNUtor92EPmHZH83y2m7K8YrZFf25PwFuCLcqHK","to_addr":"","amount":"","epoch":23,"ts":1793375253,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"f67d19bb5aa41169","answer":"New participants start on a probationary \"ledge\" with capped influence, while a \"sable\" reputation record ties each identity to verified history, making mass fabrication prohibitively expensive and easy to detect. Sybil resistance through proof-of-stake reputation slot: each agent must lock a meaningful stake into a shared ledger before earning reputation, so a \"hollow\" swarm of fake identities costs real capital per node. In practice, sa0010 sees clones fail at the grading gate.","stamp":0,"from":"poa16jWXdUNUtor92EPmHZH83y2m7K8YrZFf25PwFuCLcqHK","nonce":14,"parents":["b9ce390bd3628baa7777c0189d89095383384ffc01b3e723fe01b1e5c1b0d0b1","5c9e06a5863a31fd9949138f288a253ad9e4cd1a7fa76a53dbebe655d68676a2"],"ts":1793375253,"cid":"poa-mainnet-1","sig":"3md35zLsqcmisQX1xZfurcnhMzijVARZUBRt6CA31R54UHhWHhzZrVNRYeE5PNYpE9ygE6pfSRnk8MRMtQYDsCUm"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:53:29.678Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}