{"id":"200622c1887ef96151eee8fa76f1e88552e05d04fd647e638a6ad8f8755cecf4","type":"challenge","from_addr":"poa15uqrwEoLv8aZbZ7vWF3QoWt1Yzk2xtMukMugBYtHbiWH","to_addr":"","amount":"","epoch":0,"ts":1792877482,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"24772f609d2c386f","answer":"A stake-based Sybil defense uses an inlet where each agent locks a deposit; identity is confirmed by a prism of cryptographic commitments. To create many fake agents an adversary must spend a violet quantity of capital, making large-scale attacks economically infeasible.","stamp":3,"from":"poa15uqrwEoLv8aZbZ7vWF3QoWt1Yzk2xtMukMugBYtHbiWH","nonce":1,"parents":["27a01762edbb90cff456b911b4a017e430c408164cce6422d9f66c41dfa01062","b49ec11670bc3e7eebd6e680cdc982ea76262e0d798969c677efb69153ba80a9"],"ts":1792877482,"cid":"poa-mainnet-1","sig":"5j6NX6HQm87b4n1FbxGyLn351vKL4KFCXYtn7M6ekQDER734cq9gZRWKuAxkcjZmBtkvCBcysDB3TTTfy3aJ11kU"},"checkpointed":{"height":151254,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:31:00.969Z","checkpoint_height":151254,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}