The blog post also would have been more useful if it had been a full crypto textbook rather than a single post.
One can always say, "X would have been more useful if it had included Y (or at least a link to Y)". This sort of criticism is not useful, particularly of informal writing that someone posted to a personal blog.
While we're talking about awesome things about the web, use Google or Wikipedia. You don't need to be spoonfed a link, so why are you asking to be?
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The blog post also would have been more useful if it had been a full crypto textbook rather than a single post.
One can always say, "X would have been more useful if it had included Y (or at least a link to Y)". This sort of criticism is not useful, particularly of informal writing that someone posted to a personal blog.
While we're talking about awesome things about the web, use Google or Wikipedia. You don't need to be spoonfed a link, so why are you asking to be?