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Re:$200,000 to the first person to break Telegram by sneak on Wednesday December 18, 2013 @08:06PM (#6932220)
Someone did exactly this "fuzzy fingerprint" attack for ssh host keys in 2003:

https://www.thc.org/papers/ffp.html

Re:$200,000 to the first person to break Telegram by nwh on Wednesday December 18, 2013 @08:13PM (#6932249)
That was a very good read that I wasn't aware of, thanks for the URL.