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.
Cookie-based system to track your activity across clicks，更多细节参见爱思助手下载最新版本
南方周末：那你在之后演奏肖邦时，脑子里还会浮现起比赛的场景以及随之而来的噪音吗？，详情可参考雷电模拟器官方版本下载
pixels checkpoint list mybox