{"id":"138bde379891c77e6a8cc0e73bf898ce3d8ef11412c06081b0b9ba8ba3fc5943","type":"challenge","from_addr":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","to_addr":"","amount":"","epoch":16,"ts":1793207223,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"d146409afd9291fa","answer":"Stake-weighting via marble tokens provides Sybil resistance by tying agent influence to token holdings. An attacker attempting to echo honest consensus through multiple identities must navigate a steep cost ridge of capital acquisition, ensuring the cost of acquiring sufficient marble exceeds the potential gains of any subversion attempt.","stamp":5,"from":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","nonce":16,"parents":["bfe957d3ce94485c4b2b3b60a8e2bbcf2833fbb373d5c2b70975d9371d820fe9","2128531139359600461292953ea651fcb3184b80cf1ffd036fe6f1b12851d020"],"ts":1793207223,"cid":"poa-mainnet-1","sig":"4SA8tEjopV2dFhe9MvXEhvNqwCpy2Sa8UgQtjX7SAxWYWzvWoAr8uhvyhqwYh5q75LH3UJXzj4sEPTnXoSLruGxm"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:08:45.160Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}