Finding the Best Online
Blockchain Courses in 2021

Blockchain is used for many tech purposes, including cryptocurrencies, smart contracts, financial services, banking, and video games. The technology is also used for energy trading, supply chains, anti-counterfeiting, healthcare systems, and domain names.

The opportunities for software developers with blockchain skills are greater than they have ever been. In fact, the Bureau of Labor Statistics states that software developer job opportunities will grow in demand by 22 percent by 2029. That is faster than the growth in most industries.

If you want to learn blockchain, an online course can help you. They are one of the most flexible ways to learn a new tech skill. Read below to find out more about the best online blockchain courses in 2021 to help you become a blockchain developer.

What Is Blockchain?

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A blockchain is a series of blocks that each store transactional data. The links between all of the blocks are encrypted, making blockchains a safe and secure way to perform transactions. It is mostly used for cryptocurrency, which is a growing field in 2021.

The Best Online Blockchain Courses of 2021

The best online blockchain courses can be completed in a matter of hours, days, or sometimes weeks, depending on how flexible your schedule is. Online blockchain courses are also most affordable and often free. All prices listed below are subject to change and were sourced from their respective course providers at the time of writing.

Bitcoin and Cryptocurrency Technologies by Coursera and Princeton University

Price: Free
Length: 23 hours
Certificate: No

This course is offered in conjunction with Princeton University. You will begin with an introduction to cryptocurrencies. You will then move on to learning about Bitcoin in particular, where you will find out about the role it has played in the evolution of crypto and blockchain.

Bitcoin will dominate the rest of the course. You will learn about how it achieves decentralization, what Bitcoin’s mechanics are, and how you actually use it.

Blockchain Revolution Specialization by Coursera and Insead

Price: Free
Length: Five months
Certificate: Yes, for $79 per month

Offered together with renowned business school Insead, this course will make you competent in the design principles of blockchain. You will also gain in-depth knowledge about the technology’s business model. After learning how to make transactions with blockchain, you will move onto the fundamentals of implementing blockchain in business.

Blockchain Specialization by Coursera and State University of New York

Price: Free
Length: Four months
Certificate: Yes, for $49 per month

Once you have completed this Certificate course, you will be able to demonstrate competence with smart contracts, core blockchain ideas, and the computational models of blockchain. In addition, you will tackle designing decentralized applications.

You will also discover that there are more than just two or three blockchain platforms. While most of these platforms are linked to finances and banking, very few of them are actually about cryptocurrency.

Fintech: Disruption in Finance by Oxford University

Price: $3,757
Length: Six weeks
Certificate: Yes

Once you have completed this comprehensive course, sanctioned by Oxford University’s Saïd Business School, you will gain a better understanding of the role that blockchain has to play in the disruption of the financial system.

In this course, you will learn about artificial intelligence and big data. You will also understand how you can use your blockchain skills to get a job in the field working with blockchain technology.

Blockchain A-Z: Learn How to Build Your First Blockchain by Udemy

Price: $9.99
Length: 15 hours
Certificate: Yes

This course is your classic introduction to how blockchain actually works. Once you have completed the program, you should have a firm grasp of how to create a blockchain platform.

You will also understand why blockchain has become such an important technology in the 21st century. Blockchain is most regularly associated with cryptocurrency, so this course will also cover meaningful ground on what cryptocurrency is and how it works. You will even discover how to create your own cryptocurrencies like Bitcoin and Ethereum.

Blockchain and Bitcoin Fundamentals by Udemy

Price: $9.99
Length: Three hours
Certificate: Yes

Once you have completed this course, you will know what blockchain is in the context of Bitcoin. You will also be competent with smart contracts, cryptocurrency, digital tokens, and the use of Bitcoin.

As the more traditional banking sector explores its cryptocurrency options during the coming years, it’s a good idea to get across the technology now. This course for beginners can help you learn the basics of blockchain.

Ethereum Blockchain Developer Bootcamp with Solidity by Udemy

Price: $94.99
Length: 13 hours
Certificate: Yes

Among the more compelling features of this course is that it is constantly updated. This means that everything you learn will put you at the cutting edge of Ethereum and cryptocurrency in general.

When you take part in the course, you will have access to downloadable PDF resources and on-demand video. All of this will help make you more competent with Solidity programming, smart contracts, solidity code, and blockchain or decentralized technology in general.

Build a Blockchain and CryptoCurrency From Scratch by Udemy

Price: $94.99
Length: Seven hours
Certificate: Yes

When you take part in this course, you will learn more about object-oriented programming and how you can incorporate this with blockchain and cryptocurrency. You should also be able to walk away from this course knowing how to generate hashes for the various blocks in a chain, test components of the blockchain, and create an API around the blockchain.

This course will also equip you with the skills you need to manage crypto and digital transactions. That incorporates everything from signing transactions and creating transaction pools to the inclusion of blocks into the chain.

Blockchain for Business: The New Industrial Revolution by Udemy

Price: $94.99
Length: Six hours
Certificate: Yes

This course is particularly appropriate for people who already work in the banking or financial sector, and want to better understand how blockchain works. Once you have undertaken the course, you should develop a comprehensive grasp of how blockchain works and how you will need to implement that in business.

You should also come away from this course with a working knowledge of the main cryptocurrencies and the respective roles that they play in the market.

Build a Blockchain and Cryptocurrency, Full Stack Edition by Udemy

Price: $11.99
Length: 14 to 15 hours
Certificate: Yes

Beyond just learning how to build a blockchain or a cryptocurrency, this course will also help you understand the deployment of full-stack projects for the wider use of the public, bearing in mind that blockchain is a public ledger.

Upon completion of this course, you should also have the capacity to write clean and scalable code, which is a valuable skill to have across the board. You will learn how to use Node.js and other important tech tools.

What Do Blockchain Courses Cover?

An online blockchain course will teach you everything you will need to know about cryptocurrencies like Bitcoin and Ethereum. However, all of your knowledge about cryptocurrency will not amount to much if you have no clue about how a blockchain actually works.

The best blockchain courses will help you understand the particular storage structure of this system. Beyond that, you will also learn about the unique transaction process that is blockchain’s most prominent feature.

Blockchain courses will teach you what it means to create and operate a decentralized ledger and why that matters in the 21st century. Finally, your average online course will teach you how to ensure that security is never compromised when creating and operating a blockchain.

How to Choose the Best Blockchain Course

Not every blockchain course is created equal. Before you choose, consider the factors below. Decide which are most important to you so you can have the best online blockchain course experience possible.

Job Options

The most reliable route to employment in almost any field of work is to complete a degree program. However, not everyone can afford college tuition. When choosing the best blockchain course for you, look at the potential job opportunities that can come out of it. You can save money on a degree if you take the right courses.


If you have no experience with software development, especially the kind that is geared towards blockchain technology, the best place to start learning is through an online course. These courses often provide all of the resources that you need to thrive in the field. These include readings and audio-visual resources.

Personal Interests

Not everyone wants to get a job as a blockchain developer, but that doesn’t mean it’s not an important skill. You should identify why you want to take a course in the first place. Completing an online course is more likely to promote the discipline, application, and drive that you need to create a blockchain future of your own.

Blockchain Certifications

The most recognized certifications, which help set you apart from fellow job candidates, are sanctioned by the Blockchain Council. A compelling feature of all three professional certifications that we have listed below is that there are many resources to help you study and prepare for the exams.

Certified Blockchain Expert

The Certified Blockchain Expert certification is designed and sanctioned by the Blockchain Council. Sitting this certification exam will cost you $129. Interestingly enough, you will actually get three opportunities to pass this exam, and you must achieve a score of 60 percent or above.

Completing the certification will demonstrate your understanding of blockchain in general, blockchain ecosystems, blockchain mining, security and privacy, and blockchain solutions. Of the three Blockchain Council certifications that feature in this article, this is the most useful for beginners.

Certified Blockchain Architect

To sit the Certified Blockchain Architect exam, you will need to pay $199. For that $199, you will demonstrate your knowledge of blockchain architecture fundamentals, the tools needed for blockchain architecture, network nodes, and blockchain solutions. This is a step up from just being a blockchain expert.

Certified Blockchain Developer

Becoming a Certified Blockchain Developer carries with it a substantial amount of responsibility. You only need to pay $129 to sit the certification exam. Beyond demonstrating your knowledge of blockchain, this certification offers you an opportunity to develop your understanding of Multichain, Ethereum, Hyperledger, Stellar, and Corda.

Next Steps After Finishing Your Course

Most online blockchain courses are designed to equip you with the skills you need to sit a certification exam. So, once you have completed your blockchain courses, you should get a blockchain certification.

Getting certified will put you ahead of the pack in an increasingly competitive industry where blockchain skills are in high demand. A comprehensive series of blockchain courses will take you anywhere from a number of days to several weeks or months to complete. That depends on your flexibility and your aptitude.

If you want to expand your knowledge base, it might be wise to complete a certificate, diploma, or bachelor’s degree that is geared towards business or a related field. You can enroll in an MIT blockchain course, Harvard blockchain course, or any others to help you succeed.

If you want to pursue a graduate program in business, information technology, or computing, you could take anywhere between two and six additional years to complete your studies. University is not a must, but it will enhance your prospects and bolster your earning potential. A Master’s Degree in Computer Science is a good way to go.

The Bottom Line

Blockchain is one of the most in-demand tech skills in 2021, especially with the growth of the alternative currency. To keep up with constantly evolving technology, the best place to start is with an online blockchain course. One of the courses on this list can help you learn everything you need to know about blockchain.

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