Privacy policy — This is something that some users might take for granted, but you need to pay special attention to the data-handling, storage, and usage practices of a VPN. These practices should be clearly laid out in a privacy policy, and if they aren't, you should not subscribe. Most VPNs require access to your IP address, online transactions, and browsing history, plus your personal details when you sign up. Your favorite VPN should not store these details under any circumstances, as that would negate the whole anonymity thing.
“这件事也发生在我身上了，我真的目瞪口呆了。”Reddit PC论坛网友AccomplishedFan8690 分享了这一离奇经历，既感到诧异，又欣喜若狂。
，更多细节参见51吃瓜
在 iOS 平台上，需要处理 NSData 的转换。这里使用 pinned 内存操作来安全拷贝数据，确保跨平台兼容性。，更多细节参见safew官方下载
encrypting message backups (including images and videos)