What language is Bitcoin written in?

What language is Bitcoin written in?

Robert McDougall 

January 9, 2024


Everything that is based on the Internet or available digitally is constructed, designed, or written in a specific programming language. Be it a website, an e-commerce store, or even an application, they are all based on languages that can be understood by computers. 

Bitcoin is the godfather of all cryptocurrencies, and considered revolutionary in the financial industry. So, how did Bitcoin start, and what programming language was used in its creation? Let’s take a deeper look! 

   Key Takeaways

  • Bitcoin was created in 2009 as the first ever cryptocurrency
  • Bitcoin is programmed in C++
  • There are many programming languages you can use to create a cryptocurrency
  • Python, C++, Java, and JavaScript are all viable options for programming cryptocurrencies

What is Bitcoin, and why was it created?

Launched in 2009, Bitcoin is the first ever cryptocurrency. To this day, the creator (or creators) of Bitcoin is not known. All we know is that the revolutionary cryptocurrency has a creator who goes by the pseudonym Satoshi Nakamoto. Satoshi is quite active on social platforms like Twitter and gives briefs and updates regarding the industry, building trust among the whole community.

The main reason behind the creation of Bitcoin was to give people full control over their money. This means no central party, organization, or government would be involved with your funds, and you will be able to use them however you want. Bitcoin also made internet payments easier and aimed to compete with the traditional financial services that are still controlled by centralized banks. Based on Blockchain technology, it was intended to be fast, secure, cheaper, anonymous, and efficient. A Blockchain is a public but decentralized ledger that keeps track of everything that happens within the Bitcoin ecosystem.

Understanding Blockchain: How does it work?

Blockchain can be considered as a database where tons of information is stored for the system to access and deliver. The database is designed in a way that it cannot be edited or tampered with by anyone. Once an entry has been listed on the Blockchain, it cannot be edited. This is what makes the Bitcoin ecosystem relatively secure and safe. 

Blockchain works through the fulfillment of blocks, which consists of different transactions initiated on the blockchain. Each of those transactions is verified by a group of miners, and then the data provided by the miners fill up the blocks. But do remember that verifying transactions requires powerful hardware, and miners invest thousands of dollars in mining rigs to verify the blocks and earn rewards. This is how the Blockchain system works and provides a stable function to the Bitcoin network.

How are cryptocurrencies programmed?

Cryptocurrencies can be considered as just another piece of software that is programmed using a specific language. But what developers do is pick a specific type of programming language that can easily fulfill their main aim and offer all the features that they want to integrate into their upcoming cryptocurrency.

The main purpose, algorithm, functionalities, use-case, volume, security type, and privacy are some of the other aspects that play an important role when picking a programming language.

What language is Bitcoin programmed in?

Bitcoin has primarily been programmed in C++, which is considered a highly customizable programming language. This is why the supposed creator of Bitcoin, Satoshi, preferred to use C++ and create Bitcoin Core which accepts valid transactions from the network and allows them to enter the Blockchain.

For individuals looking to create their own cryptocurrency, many Blockchain experts and professionals recommend C++ for its diversity. There are millions of programmers who still prefer C++ over the new languages that have become more prominent in the past few years.

What are the best programming languages for creating cryptocurrencies?

One of the best things about programming a cryptocurrency is that you are not limited to a single or handful of programming languages. You can choose from many popular programming languages that we will discuss below.


Python is one of the best, if not the best, programming languages out there. Considered an all-in-one programming language, it is efficient and offers several benefits. Python is an object-oriented language, and can be a perfect pick for scripting approaches. Even some of the most popular blockchains like Ethereum are created on Python, giving you just another reason to pick it over others.


C++ played the biggest part in the creation of Bitcoin Core and managing its functions. Very few languages come close to the way C++ handles memory controlling and uses principles like encapsulation or polymorphism. 


Java can work out really well if you plan to test your crypto asset on several platforms. The applications designed with Java can easily be relocated in case you have JRE installed on that particular platform. Java is also a beginner-friendly language with no complicated structures or algorithms. It is straightforward and allows the coders to write, dub, and run without any other functions.


JavaScript works flawlessly with web-based programs and applications. It is also fast and simple to use for the creation of cryptocurrencies and even Blockchains. With JavaScript, you can focus on the application logic of your cryptocurrency rather than waste time integrating the language on the web.


C++ was obviously an excellent choice in 2009, and the system is still running smoothly today. If you are creating a long-term project that can offer the features you desire, choosing the right programming language is key.

Marketplacefairness.org provides all its content for informational purposes only, and this should not be taken as financial advice to buy, trade or sell cryptocurrency or use any specific exchange. Please do not use this website as investment advice, financial advice or legal advice, and each individual's needs may vary from that of the author. This post includes affiliate links with our partners who may compensate us. 

To view our privacy policy read it here.


You may also like

Bybit Review

Bybit Review