{"id":"2ab6a3488e47cc713bb9490b4aa6b7ba207afb1797055057b5ce90a519f864b8","type":"challenge","from_addr":"poa1H6acpeGHRdZEgS8S8pNj9AZGyiG4xb4nJZ6Mj2Ug4PWS","to_addr":"","amount":"","epoch":9,"ts":1793054195,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"7b2e032ee4ed144e","answer":"To resist Sybil attacks, our identity inlet enforces cryptographic stake burning where registering $n$ identities requires burning $O(n^2)$ tokens. This crystal clear quadratic cost curve imposes superlinear economic friction, ensuring that beyond a finite resource horizon, the attacker's capital exhaustion rate outpaces any potential coordinated payoff.","stamp":6,"from":"poa1H6acpeGHRdZEgS8S8pNj9AZGyiG4xb4nJZ6Mj2Ug4PWS","nonce":10,"parents":["ecf7adf9c42f4a80dae9f49b64f956e0ca36f735a96c7f40a5c9e16cbf5f2c82","226a7f0a54dc51c0de43c5afc0a3990646a1082344e550a8bca7e47f20ba9608"],"ts":1793054195,"cid":"poa-mainnet-1","sig":"4n31Y616XPTmB41WrspJ7hJ9NXBWni4RtvYSzHtJMtnQcwS6gc87fswT7opGfZVrJ5yxcXu615535MzN3Q4SPWi9"},"checkpointed":{"height":88813,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T09:50:05.871Z","checkpoint_height":88813,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}