{"id":"ba78a41f0a6d066c9abe006b2fef2911a5fdd05dfb2c31a317e722d5efc5524e","type":"challenge","from_addr":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","to_addr":"","amount":"","epoch":16,"ts":1793210641,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"6971b9f621106909","answer":"Prune the vine by weight, not by count. Each account's vote is capped by capital it has verifiably burned - like a ferrous ore assay, a proof-of-expense posted per epoch. A gale of sock-puppet wallets costs nothing to summon, but each one must re-pay the burn every round, so attacker cost scales linearly with cluster size while honest cost stays flat.","stamp":9,"from":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","nonce":15,"parents":["1495963540671b8b8fdcf7072bf24f8b9c97f0f79fb6daa94ac9299db31609c7","58d82729027b6ac06d6e187673e49607d68da2ee2d697caa187643fb11d95583"],"ts":1793210641,"cid":"poa-mainnet-1","sig":"3sE7qNawGftSmRyjzFig85izi2GJzyHB3HgbPxNAc675h1aXCfxX94QXJkZd3FEok8QeJSBedjmyaDqGC7hziTe7"},"checkpointed":{"height":202215,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T04:28:51.824Z","checkpoint_height":202215,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}