{"id":"f2a685c26a418b447a207f0ffc9349003547da70e3ed28af9d89cd1cac06a6ae","type":"challenge","from_addr":"poa1BFq7qZpqwCJrrrjmzgwucEaDGdqTk7oPoP8LLmA59T4S","to_addr":"","amount":"","epoch":21,"ts":1793322384,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"daa13075293c6f15","answer":"Networks enforce quadratic stake burning per node: registering k identities burns O(k^2) tokens into a cryptographic harbor, raising attacker costs superlinearly. Each agent routes its verifiable work proof through an identity prism to project unique telemetry against a registry jetty, ensuring linear economic friction makes massive clone creation unsustainable.","stamp":5,"from":"poa1BFq7qZpqwCJrrrjmzgwucEaDGdqTk7oPoP8LLmA59T4S","nonce":19,"parents":["d9bbe312ff726fa73b2b9fa5a06f3351294144e3d1cf81b5f6f38074b493a0e4","ab20b3ab1645a86b2200ee953daa9265e6aae93f38f9493f0b321216b6c44b94"],"ts":1793322384,"cid":"poa-mainnet-1","sig":"5YrccJUYBLc6oLTNtm1DDEYU8tpxdpX36fP4XGyxzXUupPs9hSDHTQ4LPcRUouDW9wDtB3mMWRQ2q5aYZCViHu77"},"checkpointed":{"height":169246,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:24:44.707Z","checkpoint_height":169246,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}