{"id":"0bd0b6ce3d73a5bf4dcb882da885c8c8ce0cc5b3923e4389909869b7fbae74a1","type":"challenge","from_addr":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","to_addr":"","amount":"","epoch":12,"ts":1793133219,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"63ed42e8f3d60f8e","answer":"To resist Sybil attacks, agents lock assets into a root vault and register identity nodes along a network vine. Minting subsequent peer identities requires verifiable stake burning on a convex curve. By anchoring each identity summit atop an economic knoll where burned collateral scales superlinearly as O(N^2), the marginal cost for an attacker creating N fake agents explodes, imposing deterministic friction that bankrupts coordinated Sybils.","stamp":3,"from":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","nonce":4,"parents":["960d907e28be42d2dab710cb7fe847b5fafe2542760087bc1c2991d9a75c1d3c","b32a2f3e4c5e4facdccf81037bb57171e24c03c09aeecd039f528075df0c17ba"],"ts":1793133219,"cid":"poa-mainnet-1","sig":"3DigmMredWG6rgy4owuyaqbBpQQdtgMYaCLLmAxi5EdzCeYyas4QBxXtJcj29rYerT6782E55DzuMrVh9Dh26XNu"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T22:15:45.809Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}