From b9540bdc3e4f75cf4be7af556b0b922562983da2 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Mon, 8 Jul 2019 19:05:22 +0300
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---
 faq.texi | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/faq.texi b/faq.texi
index 4b4cb02..1ad36bf 100644
--- a/faq.texi
+++ b/faq.texi
@@ -231,10 +231,9 @@ XXX быстрее, лучше и безопаснее? У преобладаю
 Ни в коем случае, так как его @code{MTProto} протокол уязвим к CCA
 атакам и не аутентифицирует шифротекст. Подробнее можно прочитать:
 @url{https://eprint.iacr.org/2015/1177.pdf, "On the CCA insecurity of MTProto"},
-@url{http://unhandledexpression.com/2013/12/17/telegram-stand-back-we-know-maths/, "Telegram AKA Stand back we have Math PhDs!"},
+@url{http://unhandledexpression.com/crypto/general/security/2013/12/17/telegram-stand-back-we-know-maths.html, "Telegram AKA Stand back we have Math PhDs!"},
 @url{http://www.cryptofails.com/post/70546720222/telegrams-cryptanalysis-contest, "Telegram’s Cryptanalysis Contest"},
-@url{http://cs.au.dk/~jakjak/master-thesis.pdf, "A practical cryptoanalysis of the Telegram messaging protocol"} и
-@url{https://moxie.org/blog/telegram-crypto-challenge/, "A crypto challenge for the Telegram Developers"}.
+@url{http://cs.au.dk/~jakjak/master-thesis.pdf, "A practical cryptoanalysis of the Telegram messaging protocol"}.
 
 @item @anchor{Socialnets} @ref{Socialnets, Почему на сайте нет ссылок на группы в соцсетях по теме?}
 
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2.44.0