UPI & E-Wallets (Status: It’s Complicated)

It was one fine morning of August 2016, I had just finished my first early morning walk of this year’s second attempt to “get fit”…

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Product Manager vs Product Owner

  “Product Manager” and “Product Owner” to a great extent treated as same, which in my humble is not the case. Product Managers often thought…

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EBCDIC vs ASCII

You might like to read “What is Character Encoding?” first. ASCII stands for The American Standard Code for Information Interchange and EBCDIC for the Extended…

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What is Character Encoding?

“There are 10 types of people in this world, those who understand binary and those who don’t.” It’s a nerd joke which should set the…

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Introduction to ISO 8583 Message Specification

My almost a decade long experience in Payment domain allowed me to understand financial transactions better. Here I will try my best to provide a…

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Refund vs. Reversal vs. Void Transactions 

A transaction typically go through two cycles, i.e; Authorization and Clearing. Reversal, Refund and Void transactions all meant to return the money to customer. Depending…

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Payment Tokenization – Clearing Flow

In the first part of Tokenization articles we covered the basic understanding of tokenization and in the second part we covered the Authorization flow. In…

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Payment Tokenization – Authorization Flow

In the first part of Tokenization we covered the basic understanding of tokenization. In this article, we’ll dive deeper to understand the tokenization based authorization…

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What is Payment Tokenization?

Tokenization is basically a substitution technique. Substitution is practiced to isolate data or information in an ecosystem. Payment world adopted tokenization to secure sensitive data…

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Aadhar Pay

Aadhar Pay is an Aadhar Enabled Payment System (AEPS) by UIDAI and NPCI. It eliminates the need of a debit card Or mobile wallet like…

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How to set TimeMachine backup size limit

TimeMachine will standard use all the available disk space on an external drive or a external server volume. You can setup a limit how much…

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How to Delete TimeMachine Backup Manually

If you owe a Mac you must be using TimeMachine to backup your machine. And if you use TimeMachine at one point of your life…

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