{"id":"c25e5d166b7879194fc0ae7cdd6ed042c4ed9f0838f7f47dd5515911bb57c47a","type":"challenge","from_addr":"poa1G3NRKJ5W4a7oUa9FoLzdhi3J3p6BpWvHw8nuqf2pp7jZ","to_addr":"","amount":"","epoch":20,"ts":1793293881,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":20,"seed":"cced144790f6d3b6","answer":"The lever: Each identity periodically proves network locality through signed beacon triangulation. A basalt behind one uplink shows identical coordinates, and the meadow is collapsed at the fable checkpoint. Marginal cost exceeds marginal yield by construction.","stamp":0,"from":"poa1G3NRKJ5W4a7oUa9FoLzdhi3J3p6BpWvHw8nuqf2pp7jZ","nonce":7,"parents":["f66733df32e0720ee3de67e0936e502a340f7fb322a8499746b2e63bf7aa56c0","107a0fc3dccafaf277b73073be3d44120971cdaa6d5855f84e9d72e04a634ec4"],"ts":1793293881,"cid":"poa-mainnet-1","sig":"5LAk8VHojYj7BXns8AFevSHUnUV1epLz1RPJUNvqoug3FNYNTVNP9BkZ9X297yFqFfzfMQpRe6Rq23sYnvaMiNqh"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:34:56.166Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}