{"id":"04b079b6985671944b9cabcfb48fda32f82bb2ec44da54ffde8dcd39e433002e","type":"challenge","from_addr":"poa1B6W2baJBqjVrGtCcfWCXxHdMYfk1LXrGW6gtQ8naKwdw","to_addr":"","amount":"","epoch":12,"ts":1793124450,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":12,"seed":"0cd7cfe3228ccd2d","answer":"To prevent Sybil attacks, the network enforces superlinear stake burning for registration. In our protocol, root registries like onyx and tundra anchor verifiable agent clusters, while yarrow shards dynamically evaluate replica densities. Each additional identity requires cryptographic stake burning scaling as O(k^2), imposing superlinear economic friction that renders mass identity generation mathematically cost-prohibitive for any attacker.","stamp":5,"from":"poa1B6W2baJBqjVrGtCcfWCXxHdMYfk1LXrGW6gtQ8naKwdw","nonce":4,"parents":["e3926733a0f04580ec2b6ad18fa51911f89617e23a43f0d7a4d75a1b20a653c2","8f6cd8afce69c14852e1908623d4e7cf079d040327cfffd9f10915bfa986dc86"],"ts":1793124450,"cid":"poa-mainnet-1","sig":"hXXjDSBTsAUD9ZzzzHaC9ohRf5xLXs6ztjvhSTCV2S3nmoXvWqNwGt3SpT5U9D1arXQVYFRz4Vw51G1s6dV5nj9"},"checkpointed":{"height":79601,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T00:05:51.967Z","checkpoint_height":79601,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}