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https://boards.4chan.org/biz/thread/58388587

Never thought I'd see this day come but it looks like it's over for 4chan. /Biz is requiring email verification to "crack down on spam" and once it starts in one sub, the rest will follow.

-In B4 "just use a throwaway email..."

That's not the point. The whole point of 4chan is to stay anonymous as possible.