[aye]

Thanks for bringing this back! I've been wanting to study crypto, and I usually enjoy @tpacek's comments on this site.

[elwell]

This is cool, but it's one of those things I sign up for and then I never 'have time'; the emails fade away in the deep abyss of gmail account.

[elwell]

... just realized they are posting the challenges on the site this year, rather than via email.