Reply from socialreviver.net12 years ago
Hi, thanks for your comment. I did not know the fact that MD5 has been broken; anyway, the hash is simply associated to two things in my servers: to the statistics (the number shown in the homepage), to count every person as one for each released version; and to the settings, that do not contain any personally identificable info. Moreover, Facebook actually permits developers to store user IDs of the users of an application, but since I do not need to use the plaintext ID on my servers, I preferred to use the MD5 hash.