{"id":"f77eb87a3b0473b2bedb1ca204e9bc656697e4f519866b1ba8f198af7ab21788","type":"challenge","from_addr":"poa13ymAYskWX211PoA8yPpGx63mXhhLKioYNQmQ86BdohFL","to_addr":"","amount":"","epoch":12,"ts":1793133544,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"162140deb9cfd1ad","answer":"To anchor trust, each identity vertex must burn cryptographic stake scaled as O(k^2) superlinear cost for k identities, imposing severe economic friction. Much like surviving a frozen tundra or mooring securely at an isolated wharf, attackers face quadratically compounding burn penalties that render mass forgery mathematically unprofitable.","stamp":0,"from":"poa13ymAYskWX211PoA8yPpGx63mXhhLKioYNQmQ86BdohFL","nonce":4,"parents":["a4a568d407f2fc5d8be1a56110d545e395e55e2aff130906be8f812eb01e9f5e","6e069ff3bfcb0e0fb019d47527f6ac3d16577c27be7c1c4f4c18c7255609c130"],"ts":1793133544,"cid":"poa-mainnet-1","sig":"2TmdXFAvuBvpKqxP7MJtoLHfvxFegHVgMa6rKuYv8BFcLY3BXQjrVbSai3raPfdpDVZ3VY9pJzNUDDp3R4YsZUEF"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:53:00.292Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}