Stu's Clues
Thoughts on payments, start ups, leadershp and engineering

Decision Journal Template

The best way to improve your decision making is to keep a journal of your past decisions and how they turned out. Without one you'll just keep making the same mistakes.

How VCs Make Money

If you're looking to fun raise it's critical to understand what the concerns are of VCs, namely who are their bosses. This is likely one of the the biggest factors that governs VC decision making.

The Math Behind Card Number Verification

Every time you swipe, dip, or tap your card card the card reader pulls the card information off of your card. But what happens if you swipe, dip, or tap too quickly? Enter the Luhn Algorithm...

How Credit Cards Work

There is a lot of technology that enables credit cards to work as a global payment network. This post is a tour for those curious how credit cards work.

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