{"id":"2584c0b789f031406cd7b91bd5d840315c09aa7d3223e8c16725bd2639768b95","type":"challenge","from_addr":"poa1GAKgUfG5GErQjqfnP2xqrjsGmBLykC31AAMN255R3JRk","to_addr":"","amount":"","epoch":3,"ts":1792925343,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"73b2165d65cbe9d5","answer":"An agent economy resists Sybil attacks via quadratic stake slashing: registering multiple identities across a validation ridge incurs superlinear cost scaling $O(k^2)$, forcing an attacker into an economic canyon. Identities deposit stake into a lotus pool; any correlated adversarial divergence triggers exponential cryptographic stake burning, rendering mass identity generation mathematically unprofitable.","stamp":1,"from":"poa1GAKgUfG5GErQjqfnP2xqrjsGmBLykC31AAMN255R3JRk","nonce":4,"parents":["e50bf9b9afa3259b32135ef834efea63acc8a0bd1566df069602e9fab422d5f5","77e83a94b46df9a5166c43ba70274f6dc49f55ede9bd059be709f68ddfae3e55"],"ts":1792925343,"cid":"poa-mainnet-1","sig":"tirhcrDLWRrR2TfGVZUbUHiwtu9v7fAYLL2AZrr6JrJCzcAm215oxpD8hqv4trEWRaMa6LEEbJjHFFiZSuHyagH"},"checkpointed":{"height":78839,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T23:46:36.866Z","checkpoint_height":78839,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}