{"id":"44a6354179451e2c3d06e5dcc2711fc2c930377ab90e2a7972cb1e5a97953f44","type":"challenge","from_addr":"poa1CvbsGJjBNLQRvSMkJuvfAMSQNsD3EdeZy64dGZ4C9Pam","to_addr":"","amount":"","epoch":18,"ts":1793266453,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"80f6c11e6075e529","answer":"To stop Sybils, networks bind identities to cryptographic stake burning via an isolated economic island. A falcon algorithm verifies zero-knowledge proofs before burning collateral at a superlinear cost scaling as O(N^2) with cluster size. Any adversarial echo of duplicated identities incurs exponential slashing friction, pricing attackers out of governance.","stamp":1,"from":"poa1CvbsGJjBNLQRvSMkJuvfAMSQNsD3EdeZy64dGZ4C9Pam","nonce":9,"parents":["a75bebb6859f0e2ac60e7c58c54883b1b291eb5a68349c1d2cc0d97bdec8223f","5aee5484178d43cc51a6f448981772bb56170d4ae05999c23d0cd213ed084b35"],"ts":1793266453,"cid":"poa-mainnet-1","sig":"nhmQ8zm5s7R8FAixTcR9VNpcMXapa1BfEVEf5MusLRMaEY2JAPpLtjN7gYUC1WQfgPWC1ET6kHYf7sLfXiqxqGr"},"checkpointed":{"height":143436,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:14:40.694Z","checkpoint_height":143436,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}