Mahdi Taghizadeh

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There are dozens of providers that offer NFC business card services but why not do it yourself and create a cool customized one?!

Many of us have had hundreds or thousands of paper business cards during our lifetime. Most of them are inefficient because people usually don’t keep business cards and throw them away without saving your contact information to their mobile phone’s address book.

With the rise of using NFC technology on smartphones, it’s now super easy to save trees and get rid of the old-fashioned paper business cards by having a single PVC NFC-enabled business card by which…


Useful information for newcomers to the UK who need to build their credit history

What is a Credit Score?

Many countries in the world are now implementing a kind of credit score system to evaluate citizens’ financial behavior in order to provide them with better and fair credit offers.

According to Wikipedia:

A credit score is a numerical expression based on a level analysis of a person’s credit files, to represent the creditworthiness of an individual. A credit score is primarily based on a credit report, information typically sourced from credit bureaus.

Lenders, such as banks and credit card companies, use credit scores to evaluate the potential risk posed by lending money to consumers and to mitigate losses due…


GraphQL for .NET is one of the open-source libraries available both to create and consume a GraphQL API and there are dozens of blog posts and tutorials available to learn more about it.

In this quick post, I want to show you how to use GraphQL.Client and define the client in your Startup.cs and inject it into a controller in ASP.NET Web API.

Once you’ve created your Web API (or any other type of .NET project); you need to add its NuGet package:

dotnet add package GraphQL.Client --version 3.2.0

If you want to use Newtonsoft.JSON, …


It’s been a while that Medium has enabled subdomain for profiles in addition to the existing medium.com/@username address.

Though, it’s a little bit tricky to enable and set this subdomain…


It was November 2018 that I was officially offered a job to take the position of Tech Lead at a well-known company in London; the main point was… I had to relocate to the United Kingdom from Iran and it was a big change for me. Challenge accepted and I decided to move!

I say this because many have asked me before, I found the job on Relocate.me which is a website dedicated to job offers that are usually accompanied by a relocation package from the employer.

Since I started to prepare for this move, I faced a lot of…


I was talking to my friend Alireza couple of days ago regarding the various applications that are interesting to be implemented on the blockchain and he gave me an idea of a possible platform for journalists based on distributed ledger networks and blockchain. The idea itself was interesting enough to think more of, but what made it more interesting to me was the complementary idea that came to my mind that night and it was the combination of Medium and blockchain features.

We’re living in a world that many journalists are facing difficulties publishing what they write easily, are (mostly…


One of the latest buzzes in the world is Bitcoin and technologies around it. Many people are talking about Bitcoin because of the price jumps happened last year and its price reached above $18,000 in just a few months. This made Bitcoin exciting for those who wanted to become millionaires overnight but also had a more important impact too!

In my opinion, that price elevation helped a lot to publicize the concepts of Blockchain and Distributed Ledger Technology more than before. …


Iran has one of the most emerging startup spheres in the region with a significant potential to become the largest online market in the region. But this passion among young Iranian entrepreneurs has been facing various hurdles during the past few years.

Nature of running a startup accompanies with challenging many issues but there is an extra battlefield in which Iranian startups have to battle: Technology-related Sanctions!

History of the U.S. sanctions against Iran

The U.S. economic sanctions against Iran began right after the 1979 Islamic Revolution because of disputes happened between two countries but they expanded later in 1995 and then followed by the U.N. Security…


Photo: ICANN Flickr

The fourth step of my ICANN journey was taken in Johannesburg, South Africa! I had attended three ICANN meetings prior to this one in which I was fellow in two of them. You can read my stories for ICANN54 and ICANN55 if you like (Shame on me! I’ve not written a story for ICANN56 in Helsinki!)

I received the news of my selection for this meeting from a friend when I was in the beautiful Qeshm Island in southern Iran for Nowruz holidays. What better news than this when you’re enjoying your new year’s vacation?!

This ICANN Meeting, held between…


Shahin Gharghi is speaking as the organizer of the 1st IRNOG Meeting

The first IRNOG (IRANNOG) Meeting finally held on 24th May, 2017 in Payam Conference Hall in Tehran, Iran.

NOG (Network Operators Group) meetings are popular among technical communities all around the world and different versions of it are held locally or regionally everywhere.

The closest regional event to this has been MENOG so far which always have some participants from Iran.

Shahin Gharghi, the organizer of the event, expressed his optimism in the inauguration speech that the technical community would be able to hold IRNOG meeting more than once a year.

Mahdi Taghizadeh

Code, STEM, Agile, .NET, BTC, Chess

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