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。体育直播对此有专业解读
Telegram, which has been around since 2013, doesn't have end-to-end encryption on by default. There are two types of encryption in Telegram, one for private and group chats and one for "Secret Chats" which adds another layer of encryption (that has to be enabled). But Telegram has had multiple controversies over the years, including a colossal revenge porn problem and a case of human rights violation.
这种方法通过类型别名和转换器封装了平台差异，避免了平台侧重复编写转换逻辑。