Speaking of a language which can be used in Blockchain development, any Object Oriented Programming language can solve the purpose. But certainly apart from Solidity and Simplicity, Python is a popular choice in Blockchain development. This article explores the various reasons “Why Python Blockchain make a good pair?

What is Python?

Python is a high level, scripting language with dynamic semantics. Its high-level built in data structures, combined with dynamic typing and dynamic binding, make it very attractive for Rapid Application Development, as well as for use as a scripting or glue language to connect existing components together.

Python has simple, easy to learn syntax, with large sets of reusable codes or libraries for different purposes.

It can develop applications and systems in much lesser lines of codes compared to other compiled languages. This makes applications built in Python have lesser vulnerable lines of codes and hence lesser potential bugs The Python interpreter and the extensive standard library are available in source or binary form without charge for all major platforms, and can be freely distributed.

Why is Python used in Blockchain?

python blockchain

I assume you already understand, what Blockchain is? If not, or in case you need a refresher, please refer a comprehensive outline here.

Python is a high-level language with easy to understand syntax. Apart from other usages in Artificial Intelligence, Machine Learning, Data Science, etc., Python is a popular choice in Blockchain development. Some of the reasons Why is Python used in Blockchain, are listed below.

Not going to be obsolete soon

Over the years, Python has gained substantial popularity, due to its easy to use syntax and structure, lesser lines of codes required, burgeoning libraries and its application in most of the new technologies like AI, IoT, Machine Learning and Data Science. It has become a popular choice over other programming languages. Developers do not see Python going obsolete any soon.


Python offers greater security which is of utmost importance in Blockchains. One of the reasons why Blockchain was adopted anyway, was supreme security offered by the technology. Python offers Blockchains to be created in a few hundreds lines of codes (or even lesser). This is contrary to the never-ending lines of codes found in traditional software applications. Lesser lines of codes, means lesser opportunities for vulnerabilities to hackers. It avoids all those fuzzy code lines which can give leeway to hacks and attacks or even act as potential bugs.


A Blockchain platform should be scalable. This means it should be able to host a wide array of applications on top of it. Besides it also refers to the fact that Blockchain platforms should be accommodating all the members and their queries. Python is an open source language. Developers across the globe are working towards making it more and more relevant, adding to its already huge libraries. Python is becoming a universal coding language. All these traits (and few more) help to develop Blockchain which are scalable to host a large list of new applications besides accommodating the list of members and their queries.

Large library

Compared to other languages like C, C++, Java, etc. Python has a large set of libraries (pre-written lines of codes that can be reused in your programs). Since Python is an open source language and is employed in all the new technologies (AI, Big Data, Machine Learning, etc.), this library is increasing day by day.

Can be compiled and uncompiled

Contrary to compiled languages (in which the code needs to be compiled or converted to machine readable codes in bits and bytes for the computer to understand), Python is a scripted language that doesn’t require compilation to become understandable to machines. This makes developers’ lives more comfortable. Imagine running an application and noticing a bug. If you’re using a compiled language, to fix it, you’ll have to stop the application, return to the source code, fix the bug, recompile the code, and restart your application. In Python, all it takes is fixing the bug and reloading your application – you won’t have to recompile code. And that’s a massive advantage in building blockchains.

Free coding packages specifically for Blockchain

There are Blockchain specific libraries and packages present in Python. There is a list of libraries in Python aimed solely at Blockchain development.

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