Ayooluwa OlosundeUnderstanding Derived Unique Key Per Transaction (DUKPT) in Payment SecurityIntroductionMar 29Mar 29
Ayooluwa OlosundeExploring EMV Card Types: Contact, Contactless, and Dual-InterfaceINTRODUCTIONJun 20, 2023Jun 20, 2023
Ayooluwa OlosundeUnderstanding EMV (Understanding ISO-8583 Messages MTI (Part 2))ISO-8583 Message Type Indicator (MTI) is a four-digit numeric code that identifies the overall nature of a financial transaction message…May 6, 2023May 6, 2023
Ayooluwa OlosundeUnderstanding EMV (Understanding ISO-8583 Messages Part 1)ISO 8583 is a messaging standard that is widely used in the financial industry to enable electronic financial transactions. It defines a…Apr 15, 20231Apr 15, 20231
Ayooluwa OlosundeUnderstanding EMV , Introduction to TLV.EMV is a global standard for credit and debit payment cards based on chip card technology. In the previous two articles in this series, we…Apr 9, 2023Apr 9, 2023
Ayooluwa OlosundeUnderstanding APDU for Software Developers.Smart cards are widely used in various applications such as banking, transportation, and access control systems. These cards store…Apr 4, 2023Apr 4, 2023
Ayooluwa OlosundeUnderstanding EMV, A gentle and simple approach for developers/software engineers. (Introduction)While coming up as a software developer I never knew what EMV was. I kept wondering how card payment was possible, could not tell between…Apr 3, 2023Apr 3, 2023
Ayooluwa OlosundeBuilding Dart/Flutter Packages (Part 1)Flutter is an open-source UI software development kit created by Google. It is used to develop cross-platform applications for Android…Mar 13, 2023Mar 13, 2023
Ayooluwa OlosundeTemporary fix for Compose preview Error (Failed to Instantiate one or more classes)It is no news that Android has added the ability to preview compose functions in android studio just like you have preview for your XML…Nov 1, 2022Nov 1, 2022
Ayooluwa OlosundeTHE VERY BASIC PRINCIPLE OF CSS BOX MODELThe ‘ CSS Box Model ‘ is a set of rules specifying how each page is presented on the internet. Each HTML document element is treated as a…Jan 23, 2020Jan 23, 2020
