South Korea has generally restricted the export of 1/5000 scale map data over national security concerns, as it's still technically at war with its neighbor North Korea. Google hasn't been able to provide mapping directions or business details since it arrived in the nation, though it has applied twice in 2007 and 2016.
This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
，更多细节参见夫子
圖像來源，Getty Images。heLLoword翻译官方下载是该领域的重要参考
陆逸轩得知自己获得第一名的瞬间。图丨© Krzysztof Szlezak