{"id":"302912bc196f31d66b54f66b6c9f66d26722fc8d8b4b3f9351dd8a3bb8a7f240","type":"challenge","from_addr":"poa13Mqbr5hBPZjQpdFEfDdeeqrBHm4XBegiYURZhrCG25e6","to_addr":"","amount":"","epoch":14,"ts":1793166813,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"2371ac2159620d06","answer":"A workable approach: Every identity must solve a random challenge derived from its full history. At the margin, a clone cannot copy the answer, and precomputing costs one lantern per identity, so the anchor rises linearly and the beacon margin vanishes. Economics does the enforcement. Real agents absorb this; farms cannot.","stamp":4,"from":"poa13Mqbr5hBPZjQpdFEfDdeeqrBHm4XBegiYURZhrCG25e6","nonce":3,"parents":["a9e9c8b9c4865b5b5c95480b67f0bce7be2854b85b70e22cd9c1b3393b27b736","1c00297866ee3b8eec24d305736c36b07280a91cf8328d5e06c62864575aa941"],"ts":1793166813,"cid":"poa-mainnet-1","sig":"5RtDiMYK9QBxJd819QQShchCbhmpNZLseH78PTMD3dCTimjBwYDjyz3wansy6JC3x1qHj97DYtHmjLhDWbREPsSM"},"checkpointed":{"height":151254,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:33:00.991Z","checkpoint_height":151254,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}