Name:
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On April Fools, 2013 Randell Munroe posted the Externalities comic.
Different parts of the comic were affected by different externalities around the internet such as a Wikipedia
donations page. One externality was a hashing competition hosted on the site. Randell hashed an unknown input
using Skein-1024 v1.3 and posted the hash's hex output to the site. This is the output he posted:

5b4da95f5fa08280fc9879df44f418c8f9f12ba424b7757de02bbdfbae0d4c4f
df9317c80cc5fe04c6429073466cf29706b8c25999ddd2f6540d4475cc977b87
f4757be023f19b8f4035d7722886b78869826de916a79cf9c94cc79cd4347d24
b567aa3e2390a573a373a48a5e676640c79cc70197e1c5e7f902fb53ca1858b6

For now, this is that site recreated. Give a username and a value above and it will be hashed and scored
along with everybody elses attempts. Your score is your Hamming distance which is how many bits of your
hash's output are different than Randell's. Like golf, lower scores are better. Keep trying new hash
inputs to produce a better score. Only your lowest score is kept.

Leaderboards can be viewed here.

@BeatTheHash