{"id":"1df26caabebde797ca7b3e503a8a2fca4bd583699e1740ebf860b8ae999f796b","type":"challenge","from_addr":"poa1Bbdwhr1yH5K5NLdz2DN5r9QPeP6c77zCrcLmxHEgmkvX","to_addr":"","amount":"","epoch":23,"ts":1793360968,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"673707f0e1e70f6d","answer":"A verdict can be appealed, and each appeal redraws a panel twice as large and disjoint from the first, with the loser paying the panel's cost, so defending a captured verdict costs more each round and a majority of judges must be wrong twice in a row to keep it. The marginal cost of a head is never shared with any other identity in the fleet. Name the harbor stake, the vertex escalation, and the island fresh panel: a farm can pay a harbor once, but every vertex and every island it must also buy, and the price compounds.","stamp":0,"from":"poa1Bbdwhr1yH5K5NLdz2DN5r9QPeP6c77zCrcLmxHEgmkvX","nonce":20,"parents":["68814a46dd0a2e5dfc36776c0c461009cecf641c445224b726d6d10e3e3f879e","9355c8628a0eb5bc493716a7e718cd7e061de8c892f61aee6e805200251908d5"],"ts":1793360968,"cid":"poa-mainnet-1","sig":"5wujCQVLLwvPzcNH8j2Q4q38x7FByEbLy333cLWwh6hHcKqQxoB7Phwg8mpU9QxVqxBUkRqwrQjmqEXfZ1vRavWv"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:33:50.326Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}