The tool doesn't know the difference between a prepaid Visa you bought at CVS and a compromised Amex from a phishing campaign. The code is colorblind.

If you are looking for an "interesting paper" or deep dive, here are three angles to explore: 1. The Security Risk of Leaked API Keys

An "SK live checker" is primarily a developer or security tool used to verify the status of . Primary Function

. While "SK" can occasionally refer to other things depending on the context, in the world of online development and e-commerce, it is almost always related to the Stripe API Primary Interpretation: Stripe Secret Key (SK) Checker