John D. Cook Consulting Substack
John CookHighlights from blog posts
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 213 | Subscribers | Read | johndcookconsulting.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Stealth Addresses and Television Static
This morning I wrote about how stealth addresses work in the Monero cryptocurrency. Privacy through elliptic curves.
A couple numerical posts
The harmonic series diverges extraordinarily slowly. The sum goes to infinity as you include more terms, but in order to get the sum to be more than 100 you have to add the first
Harmonic numbers and such
If 0 < m < n, the sum of the reciprocals of the numbers m through n cannot be an integer. But it can come close to being an integer if m and n are large enough. I explore this in this post.
Pythagorean Triples and Group Pairs
In the previous newsletter I mentioned a post on group pairings. Since then I’ve written two posts on applications of group pairings in cryptography.
Authors
The writers behind this newsletter.
Applied math and data privacy
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