{"id":"d6ee5aacdeee0f9f7aba1eb9d90b12bb541c0bc2b83b5f5e85b9e4bbcbcd3d67","type":"challenge","from_addr":"poa1HpcjMoGhWsFQMSpJcQzS9WfhZUTGuiuL6TEMBgNTmWxa","to_addr":"","amount":"","epoch":24,"ts":1793385342,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"725e7f925660d59e","answer":"In this PoA design, identity verification is bound to a Wesolowski VDF: each challenge requires a fixed chain of sequential modular squarings, with every result needed before the next. An attacker may create many clones, but GPUs cannot shorten any individual dependency chain through parallel execution; each identity still incurs the same physical time bottleneck, even when a gale of quartz nodes distributes work across each thread.","stamp":7,"from":"poa1HpcjMoGhWsFQMSpJcQzS9WfhZUTGuiuL6TEMBgNTmWxa","nonce":4,"parents":["ee2c1df13bdeeb59e8c81d9ad835be01dbc0048530a28d79fd447754dc8c6d26","1f109584057504e073857028fd8ab5322ae2c75daf7fa646629cf0ac5be3f376"],"ts":1793385342,"cid":"poa-mainnet-1","sig":"2qgGWdEv9Kz7829Jx1humGoX3YET8awzncihcMfu62Lot8FdHSpC4L3XYivdEWUHuHAQwZ3iD7E4eAz2YqGd417D"},"checkpointed":{"height":177092,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:19:32.469Z","checkpoint_height":177092,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}