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Ruimin Yang

Ruimin Yang

Clearing and settlement 101

A typical payment transaction consists of three vital steps: authorization, clearing, and settlement. Let’s break them down and see how…

Aug 2, 2023

Clearing and settlement 101

Aug 2, 2023

Ruimin Yang

Mobile and contactless payments for transit

Introduction

Apr 29, 2022

Mobile and contactless payments for transit

Apr 29, 2022

Ruimin Yang

Apple Pay monopoly, are we really comparing “Apples” with “Apples”?

Introduction

Jul 31, 2020

Apple Pay monopoly, are we really comparing “Apples” with “Apples”?

Jul 31, 2020

Ruimin Yang
in
Vipps Mobilepay

QR-code payments is not about the QR-code

Introduction

Jun 19, 2020

QR-code payments is not about the QR-code

Jun 19, 2020

Ruimin Yang

Payment 101 series — Card Verification Code(CVC)/Card Verification Value (CVV) explained

Card verification value (CVV), or card verification code (CVC), is a cryptographic integrity check on the content of a payment card. The…

Sep 9, 2019

Sep 9, 2019

Ruimin Yang

High-risk merchant acquiring series, Episode 1

— Written together with my friend: Alex Schoonkind

Apr 2, 2019

High-risk merchant acquiring series, Episode 1

Apr 2, 2019

Ruimin Yang

Payment 101 series

3D-Secure (1.0) explained

Apr 1, 2019

Payment 101 series

Apr 1, 2019

Ruimin Yang

Payment industry trends seeing from Mobile World Congress (MWC) 2019

Mobile world congress 2019 has been an exceptional experience. This year, the key topics are: 5G, IoT. Smart home, AI, eSIM, biometrics…

Mar 17, 2019

Payment industry trends seeing from Mobile World Congress (MWC) 2019

Mar 17, 2019

Ruimin Yang

Ruimin Yang

Writing about payments. No matter if it is issuing, acquiring, scheme processing, mobile payments, industry trends, the puzzles are decoded here

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