关于TLS混淆，V2Ray用的是真TLS，即完全符合TLS协议；Shadowsocks的obfs和SSR的TLS混淆用的均为假TLS，即只模拟了部分TLS协议。真TLS的优势是服务器端防探测，第三方用任意的TLS数据包探测，V2Ray都能做出合理的响应，而假TLS则带有明显的特征。真TLS会有首次连接时进行一个两次通信(2-rtt)的握手，比起假TLS略慢，但之后的连接中，由于使用了缓存，握手不会有性能差异。
BY Project V 公告
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.
Project V 公告 from hk