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How to Become a Blockchain Developer? – Types, Roles and Skills
Lots of cryptographic methods, like hash functions SHA and Developer, are blockchain in blockchain in addition to asynchronous cryptography to generate digital signatures. The EVM how users to practice blockchain programming without worrying about making mistakes. This means that whatever a computer can do, you can design using the EVM. With the fundamentals laid, you now have enough practical understanding of cryptocurrency. As of now, you must have known about the Blockchain Developer job profile.
Add to shortlist. What degree is most commonly held by a BlockChain Developer? Career Transportability across Countries Transportability: High While AI might eventually take over from these kinds of jobs, at the moment, there are plenty of vacancies available in tech companies around the world.
An experienced blockchain developer should face relatively little competition in getting jobs around the world, and most of these jobs will operate in English. That being said, knowledge of the specific local tech market is always a plus. What is the Salary of a BlockChain Developer? What skills are needed to become a BlockChain Developer? See Less. See More. Online courses are a big part of training for someone wondering how to become a blockchain developer.
For those who are just starting to consider blockchain development as a career, our courses explaining blockchain technology, cryptocurrency and DLT will be a useful stepping stone. Cryptocurrency and Blockchain Technology Explained. Short Course. Find out more. Blockchain in the Energy Sector. Need even more evidence about why you should learn on FutureLearn? We partner with over world-class universities, institutions and industry leaders to create world-class courses to help you with your career.
These are just a few of our world-leading partners. Cryptocurrency and Blockchain Technology Explained Will blockchain change the world? Explore blockchain technology and the cryptocurrency market with the University of Michigan. Show course overview. The best way to get yourself familiarised with this technology is to go through the bitcoin blockchain whitepaper, but going through the complete white paper can be a tedious task and a little guidance always helps boost the learning curve.
Secondly, in-depth knowledge and applicative sense of data structures are a necessity. Blockchain developers are constantly playing around and tweaking existing data structures, Patricia trees, etc to meet their personal network requirements.
Blockchain uses a plethora of data structures in conjunction with advanced cryptography to build a secure and immutable system. It is only obvious that a good grasp of cryptography is also required.
A lot of cryptographic methods like hash functions e. Without understanding how these work, it is impossible to get this job. Smart Contracts have become a huge thing since the release of Ethereum.
Now every public ledger tries to incorporate smart contract functionality into its system so that business logic can be easily applied to it. Hence, developers striving to get into this field should definitely learn about smart contract development.
This generally entails learning network-specific languages like Solidity, Viper, Chaincode, etc. Web development is a core aspect here. When a person begins his career as a blockchain developer in the industry, a majority of them are employed for the basic designing of decentralized applications.
This means you must know the basics of both front-end and back-end development which includes things like creating interactive graphical user interfaces for Dapps, API handling, request handling, etc.
How to get started? You also need to have some fundamentals in data structures, cryptography, and networking, and distributed systems. You can also learn blockchain development through multiple online courses and communities. This is where you can get basic information about the crypto world that you are about to dive in:. There is no single language for developing here. Different platforms and tokens are built with different languages.
For example:. After you got the right vocabulary and the theoretical knowledge about the multiple cryptocurrencies and technologies behind them, it is time to apply your new skills by trying out one of the exchanges to get a better feeling of how everything works. Go to Binance, Coinbase, or any other exchange that you are comfortable with or is accessible in your country and buy some coins.
It will help you create and develop dApps and smart contracts on Ethereum public ledger. You may also want to dive deep into the open-source code of different platforms. Most of them are open-source, and hence the code is readily available for scrutiny or learning.
However, creating or maintaining an open-source blockchain is not easy. It requires you to overcome challenges such as security, performance, resource management, and isolation. There are some languages that fulfill most of these needs in this field. One of the great things is that blockchain for developers is available with mostly free resources including tutorials, videos, webinars, and training.
A smart contract is also one of the vital concepts that you need to learn. Moreover, a developer has to accomplish complex tasks like debugging software. To fulfil all these responsibilities, the developer must have knowledge of various programming languages and a range of blockchain platforms.
Well, if you are completely new to programming, here are the things you can do to get a blockchain developer job. When we say, starting from scratch, it should be from scratch i. The technology came into existence with the first cryptocurrency Bitcoin. So, in order to learn about the history of blockchain you must learn about the history of Bitcoin, why it was created, what was the motive behind it and everything else.
Also, keep yourself updated with the latest Bitcoin news and follow forums on Reddit, go through blockchain developer tutorials and read as many articles as possible. Leave no topic unread and no question unanswered. Before you learn the skills about how to become a blockchain developer , see how a blockchain works in real life. To do this you need to examine the work of exchanges and wallets and for that, you would have to buy cryptocurrencies, trade online, and experiment with as many features as you can.
As you buy crypto or tokens from exchanges, give attention to the procedure and how everything happens. Then you should learn the use of crypto wallets, what are the features that make a wallet best and everything else about it. Learn about the various types of crypto wallets and what types of wallets are considered safest.
Next time when anyone asks you about which crypto exchange is best or which crypto wallet is most secure, you better be prepared with the answer. Before you step into the coding and programming of blockchain, learn all the required programming languages that you might need. The more languages you know, the better it would be for your career. But make sure you have a clear grasp at whatever languages you already know.
As you know Smart Contracts is now one of the crucial parts of the blockchain, if you want to build a career and learn how to be a blockchain developer, you must learn about it. Solidity is the language used for creating Smart contracts, it is quite similar to JavaScript but with much more surprises. So, if you know about JavaScript, you might grasp its concept pretty soon.
How To Become a Blockchain Developer: A Step-by-Step Guide
More recently, he has done extensive work as a professional blogger. Develops perform software design, operating architecture integration, and computer system selection. Strings - Developer are used to store text information. How to become a BlockChain Developer BlockChain Developer A blockchain developer is a niche kind of software developer; they manage and oversee the applications of blockchains, working in all areas from research and analysis to how and blockchain of a certain blockchain. Lesson - 8 What is a Smart Contract in Blockchain? Amazon has their managed Blockchain service on AWS.
How to Become a Blockchain Developer?
In this article. Skip to content. Nonetheless, you can transform your own Ethereum blockchain by designing your own genesis file. Of course, an ICO is only a small slice of the blockchain pie. Blockchain is by far one of the most exciting industries for developers right now. Then why not tell them how FutureLearn! Be sure to developer attention to Blockchain as a Service BlockchaindApps, and enterprise blockchain platforms during this process.
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Checking some hiring platforms for blockchain developers, we discover some huge figures. This variance depends much on whatever the current market demand is at the time. Below is a chart form Ziprecruiter depicting this information:. The chart illustrates the growth in salaries from the start junior developers till the end senior developers of the bar chart. To have a broader view of the salary earned by Blockchain developers, we'll use a different approach and get a breakdown of the average salary earned according to location.
This is typical, as this area is a tech condensed region with high cost of living, and competitive compensation. The Top 6 cities from this list have an average payment than the national average salary; this further broadens our view of just how much these blockchain developers get paid.
Please note you do not have to live in any of these cities to get jobs as a blockchain developer. This list is just for a reference purpose to depict how much and well paid these developers are; it is in no way limited only to these locations.
Blockchain is very remote-friendly and a lot of developers work from their homes. This is because companies are not limited to hiring just from their environment. They can collaborate remotely, enabling them to leverage the global resources of hiring people from anywhere on the planet, as long as they have the skill set they are in search of that would be beneficial to their workforce.
Let me share some insights about this particular listing, and give you some general tips on your job search. Google's Big Query service supports Ethereum smart contract analytics. This platform allows you to analyze Ethereum transactions; you can look at smart contracts and others. Amazon has their managed Blockchain service on AWS. On June 1st, Amazon announced they are looking for a patent in Blockchain for a supply chain. Facebook also has its libra Blockchain, though they are facing some hurdles with the regulatory bodies, they are working hard to launch their own cryptocurrency.
Walmart also has its distributed letter technology, which they are also working on; it's undergoing research with the supply chain. I have personally been to presentations where Starbucks showed a proof of concept for supply chain solutions within their business.
So what are Blockchain's current use cases? While several are experimental, there are many right now with solid consumer demand. The biggest category right now are financial use cases, as blockchain has been most adopted in the financial sector. You can see from the image above that there are about 1 billion dollars locked into defi protocols.
And at its all-time high, it peaked over 1 billion, and it is slowly moving back up. It is an incredibly innovative technology because it provides benefits that cannot be achieved with any other technology.
For example, some DeFi apps allow you to earn competitive interest rates on your money, compared to your bank account. You might be developing an app and want to integrate Blockchain or your boss at work might ask why Blockchain might need to be used in a particular project for the company.
Here are some reasons you should use Blockchain. However, if you do not have requirements like this, then I highly recommend sticking with Ethereum for the reasons I provided. You can also start with Ethereum and change later if you need to. Ultimately you want to learn blockchain fundamentals, and practical hands-on skills at first. If you need to retrain in something else later, you can always do that. You'd have a better start with Ethereum since the developer tools are so popular.
You should avoid starting on a blockchain platform with no support; imagine you google out a problem you can't solve and find no solution to it. Ethereum has a lot of resources and supports growth. I highly recommended Ethereum unless you have a good reason to use otherwise. Shopify is one of the most widely used e-commerce platforms, which also supports cryptocurrency payments with Coinbase commerce. This allows customers to pay with cryptocurrencies like Bitcoin and Ethereum, instead of using credit cards.
If you were building something like this as a developer, you would need to work with both Bitcoin and Ethereum protocols to integrate payments, instead of PayPal or Stripe 2 common payment processors other developers work with. Compound Finance is a perfect example of a native blockchain application that provides a benefit that cannot be achieved in the traditional financial system. For example, it allows you to earn competitive interest rates on your funds compared to your bank account.
Since Dai is pegged to the U. This interest is earned based upon utilization of the protocol, as it also supports collateralized lending on the other side of the equation. As a developer, you might serve several roles in a project like this.
Compound is powered by smart contracts on the blockchain, so you would need to master smart contract development with the Solidity programming language to fulfill this role. To build its modern web interface, a developer needs to be proficient in JavaScript, and a modern front end web framework like React. This interest rate might be higher than in your bank account.
As a developer, you might serve two different roles on a project like this. Just like Compound, Dharma is powered by Ethereum smart contracts. In order to create these, you must master the Solidity programming language. To work on the user-facing features, you would need proficiency with native mobile development languages like Swift for IOS, Java for Android, or React Native for cross-platform development.
Sometimes it's hard to explain what a blockchain developer is because there are so many things they actually do. Technically if your website development even touches a blockchain, you are already a blockchain developer. For example, the Shopify app from earlier, once you already have to integrate it with cryptocurrency, you've had a touch into Blockchain meaning you have to know something about it. This is not a comprehensive list, and blockchain developers are not required to master each of these skills.
These are just some ideas. Here are some of the most popular programming languages for blockchain development. This is not a comprehensive list, and blockchain developers do not necessarily need to know all of these languages. However, there are some common examples:. It's usually necessary for a developer to learn front end languages and back-end languages. In this case, Solidity will be the back-end, while JavaScript will be like your front end.
Unless you know exactly what you would like to do, it's best to focus on these two. Python is also a powerful language but you won't be able to use it to build mobile apps or clients that have applications that easily. Solidity is the main programming language for creating smart contracts on The Ethereum Blockchain.
Hence it's highly recommended you learn Solidity. If you want to get started mastering blockchain development right now, then there are two different ways to get started. To get started, visit websites like remix. On this website you can write the entire source code for solidity smart contract here, you can compile it with the click of a button then you can deploy it to a blockchain with the click of a button all of this can be done in your browser.
So, you just need to know one programming language-solidity, you do not need JavaScript yet. You can therefore write a smart contract, put it on a blockchain and start using it immediately. When it comes to a blockchain developer, there are some skills that are fundamentals. You should be comfortable with object-oriented programming, and developing web apps in Javascript. Fortunately, there is hope! Here are some steps anyone coming from such a place, but interested in a career Blockchain developer can take.
One of the biggest hurdles to anything new and revolutionary, such as blockchain technology, is getting used to the various concepts that are indispensable in the system. Otherwise, you will be very out of place in your learning process.
If you are interested in the technical aspects of how to create a fin-tech application on Blockchain then you should definitely take in a deep understanding of token economics. This difference in knowledge is extremely obvious when you research some floating ICOs. It is very clear that the economic side of their ICO is not well thought-through. After that, you should understand how Bitcoin works. Bitcoin is the most popular in blockchain and has a sizable influence on the crypto market.
Now congrats, you have finished the first milestone. A blockchain developer should have a great understanding of blockchain , how it works, and its architecture. They need to have at hand concepts such as cryptographic hash functions, consensus, distributed ledger technology. Second, in-depth knowledge and applicability of data structures are essential.
Blockchain developers are constantly learning and tuning existing data structures like Merkle tree , Patricia tree , etc. Blockchain uses a lot of data structures combined with advanced cryptography to build a secure and immutable system. Knowledge of blockchain, without any knowledge of data structure, can only be considered incomplete. Blockchain is a combination of advanced cryptographic and data structures, so it is clear that you also need to have a good grasp of cryptography.
Lots of cryptographic methods, like hash functions SHA and KECCAK, are used in blockchain in addition to asynchronous cryptography to generate digital signatures. Without understanding how these things work, it is impossible to become a blockchain developer. Blockchain is a combination of advanced cryptographic and data structures. Smart contracts have become a huge thing since Ethereum was launched. Every blockchain now tries to incorporate smart contract functionality into its system.
Smart contracts enable business logic to become appliable to the blockchain. Therefore, developers trying to get into the blockchain field should definitely learn about smart contract development. This usually requires learning network-specific languages like Solidity, Viper, Chaincode, etc. If the prospect of joining the ground floor of this exciting innovation appeals to you, then you might be wondering what the next step is.
For every year blockchain developer job in the industry, only one blockchain developer is eligible.
How To Become A Blockchain Developer From Scratch! 🚀
Below is a chart form Ziprecruiter depicting this information:. The chart illustrates the growth in salaries from the start junior developers till the end senior developers of the bar chart. To have a broader view of the salary earned by Blockchain developers, we'll use a different approach and get a breakdown of the average salary earned according to location.
This is typical, as this area is a tech condensed region with high cost of living, and competitive compensation. The Top 6 cities from this list have an average payment than the national average salary; this further broadens our view of just how much these blockchain developers get paid. Please note you do not have to live in any of these cities to get jobs as a blockchain developer. This list is just for a reference purpose to depict how much and well paid these developers are; it is in no way limited only to these locations.
Blockchain is very remote-friendly and a lot of developers work from their homes. This is because companies are not limited to hiring just from their environment. They can collaborate remotely, enabling them to leverage the global resources of hiring people from anywhere on the planet, as long as they have the skill set they are in search of that would be beneficial to their workforce. Let me share some insights about this particular listing, and give you some general tips on your job search.
Google's Big Query service supports Ethereum smart contract analytics. This platform allows you to analyze Ethereum transactions; you can look at smart contracts and others.
Amazon has their managed Blockchain service on AWS. On June 1st, Amazon announced they are looking for a patent in Blockchain for a supply chain. Facebook also has its libra Blockchain, though they are facing some hurdles with the regulatory bodies, they are working hard to launch their own cryptocurrency. Walmart also has its distributed letter technology, which they are also working on; it's undergoing research with the supply chain.
I have personally been to presentations where Starbucks showed a proof of concept for supply chain solutions within their business. So what are Blockchain's current use cases?
While several are experimental, there are many right now with solid consumer demand. The biggest category right now are financial use cases, as blockchain has been most adopted in the financial sector. You can see from the image above that there are about 1 billion dollars locked into defi protocols.
And at its all-time high, it peaked over 1 billion, and it is slowly moving back up. It is an incredibly innovative technology because it provides benefits that cannot be achieved with any other technology. For example, some DeFi apps allow you to earn competitive interest rates on your money, compared to your bank account.
You might be developing an app and want to integrate Blockchain or your boss at work might ask why Blockchain might need to be used in a particular project for the company. Here are some reasons you should use Blockchain. However, if you do not have requirements like this, then I highly recommend sticking with Ethereum for the reasons I provided. You can also start with Ethereum and change later if you need to.
Ultimately you want to learn blockchain fundamentals, and practical hands-on skills at first. If you need to retrain in something else later, you can always do that. You'd have a better start with Ethereum since the developer tools are so popular. You should avoid starting on a blockchain platform with no support; imagine you google out a problem you can't solve and find no solution to it. Ethereum has a lot of resources and supports growth.
I highly recommended Ethereum unless you have a good reason to use otherwise. Shopify is one of the most widely used e-commerce platforms, which also supports cryptocurrency payments with Coinbase commerce. This allows customers to pay with cryptocurrencies like Bitcoin and Ethereum, instead of using credit cards.
If you were building something like this as a developer, you would need to work with both Bitcoin and Ethereum protocols to integrate payments, instead of PayPal or Stripe 2 common payment processors other developers work with. Compound Finance is a perfect example of a native blockchain application that provides a benefit that cannot be achieved in the traditional financial system. For example, it allows you to earn competitive interest rates on your funds compared to your bank account.
Since Dai is pegged to the U. This interest is earned based upon utilization of the protocol, as it also supports collateralized lending on the other side of the equation. As a developer, you might serve several roles in a project like this. Compound is powered by smart contracts on the blockchain, so you would need to master smart contract development with the Solidity programming language to fulfill this role. To build its modern web interface, a developer needs to be proficient in JavaScript, and a modern front end web framework like React.
This interest rate might be higher than in your bank account. As a developer, you might serve two different roles on a project like this. Just like Compound, Dharma is powered by Ethereum smart contracts. In order to create these, you must master the Solidity programming language. To work on the user-facing features, you would need proficiency with native mobile development languages like Swift for IOS, Java for Android, or React Native for cross-platform development.
Sometimes it's hard to explain what a blockchain developer is because there are so many things they actually do. Technically if your website development even touches a blockchain, you are already a blockchain developer. For example, the Shopify app from earlier, once you already have to integrate it with cryptocurrency, you've had a touch into Blockchain meaning you have to know something about it. This is not a comprehensive list, and blockchain developers are not required to master each of these skills.
These are just some ideas. Here are some of the most popular programming languages for blockchain development. This is not a comprehensive list, and blockchain developers do not necessarily need to know all of these languages. However, there are some common examples:. It's usually necessary for a developer to learn front end languages and back-end languages. In this case, Solidity will be the back-end, while JavaScript will be like your front end.
Unless you know exactly what you would like to do, it's best to focus on these two. Python is also a powerful language but you won't be able to use it to build mobile apps or clients that have applications that easily. Solidity is the main programming language for creating smart contracts on The Ethereum Blockchain.
Hence it's highly recommended you learn Solidity. If you want to get started mastering blockchain development right now, then there are two different ways to get started.
To get started, visit websites like remix. On this website you can write the entire source code for solidity smart contract here, you can compile it with the click of a button then you can deploy it to a blockchain with the click of a button all of this can be done in your browser.
So, you just need to know one programming language-solidity, you do not need JavaScript yet. You can therefore write a smart contract, put it on a blockchain and start using it immediately. This method is the classic which you install everything on your computer, then use a text editor, a terminal, and create a website.
This method includes developing a smart contract inside a framework, it is a harder way to get started, but you'd learn so much more while also developing many skills. Solidity is used to write smart contracts. Smart contracts are used to create dApps. It's vital to understand smart contracts if you're curious about how to become a blockchain developer. Smart contracts are the rules which guide transactions on Ethereum's blockchain.
If the conditions of a smart contract are met, the transaction will happen. If the conditions of a smart contract are not met, then the transaction will not happen. The transaction is between Diana and Ross;. Diana is selling a football online for 5 Bitcoins BTC. Diana receives 5 BTC from Ross and sends him a football. The way that Bitcoin blockchain developers programmed it, the transaction looks like this:. What Diana and Ross need is a smart contract. Diana is selling football for 70 ETH. Ross wants a football so he sends Diana 70 ETH.
Both parts of the contract have to happen for the transaction to be completed. Which transaction would you prefer? They can be used for lots of different things. Solidity smart contracts can be used to guide all kinds of transactions from secure voting in elections to rental agreements.
Solidity is a high-level coding language. This means that it is designed to be read and used by human beings! Computer programs are usually written in a high-level language and then translated into a low-level coding language. Now, if you really want to know how to become a blockchain developer, you must learn about low-level coding languages also. A low-level coding language is designed to be read and used by computers. Low-level languages are made up of 1s and 0s.
This is called binary. When a blockchain developer builds dApps and smart contracts on the Ethereum blockchain, there are rules which guide their design. For example, if you want to design a new cryptocurrency using Solidity you have to follow a set of rules called ERC These rules make it easier to tell how new dApps will work when they are launched on the blockchain.
Ethereum blockchain development happens in a very special place called the Ethereum Virtual Machine. A virtual machine is an environment where new computer programs can be written. You would build and test your car in a factory and on empty streets. This is how the EVM works. It is a factory for building new smart contracts. This makes Ethereum a great place to learn blockchain. The EVM allows users to practice blockchain programming without worrying about making mistakes.
The EVM is also Turing complete. This means that whatever a computer can do, you can design using the EVM. The only limit is your imagination! Think of all the exciting new ideas being built using the EVM right now! Learning Solidity is a lot like learning to speak a new language , but it is essential to become a blockchain developer on the Ethereum platform. Solidity basics are like nouns, adjectives, and verbs. Nouns, adjectives, and verbs are tools for creating sentences.
Here are some of the tools for creating Solidity smart contracts;. Variables - These are used to store information on the blockchain. There are lots of different kinds of variables but here are some of the most common:. Booleans - These are used to store information that is either true or false. The keyword for Booleans is bool. Integers - These are used to store information as a number.
There are two types of the integer. Regular integers can be positive or negative numbers. Their keyword is int. Unsigned integers can only be positive numbers.
Their keyword is uint. Addresses - These are used to store Ethereum addresses. Each Ethereum user has its address or addresses on the blockchain. Diana and Ross, from the example earlier, would both need addresses for their smart contract to work. Strings - These are used to store text information. Their keyword is strings. Functions - A function is used to do a certain job. A function can use information from variables to create new information.
For this sum, the keyword would be function add. This is what sums look like in smart contracts;. Structs - These are used to put variables into groups.
Do you remember that new car you were building? In Solidity, you could use a struct to group information about your car! It would look something like this:. Not only are there basic courses, but also game-courses that could teach you! Two courses that teach you how to become a blockchain developer are Space Doggos and CryptoZombies.
Space Doggos and CryptoZombies are both gamified Solidity lessons for beginners. This means that they both turn Ethereum blockchain into a game! Space Doggos allows beginners to learn blockchain development by creating characters and environments for an adventure in space.
The first lesson contains ten chapters of information and tasks to get you started. Each chapter has detailed notes on the processes being used. These include the variables, functions, and structs I talked about earlier. Users can design their astronaut dog using real Solidity code. The code becomes more complicated as the adventure continues. As an introduction to the Ethereum blockchain, Space Doggos is a well-designed and entertaining platform for any upcoming blockchain developer.
CryptoZombies allows users to design a whole army of zombies. To do this, users first have to build a zombie factory. Then, users can code the way their zombies look and even the way they attack their victims! CryptoZombies is very entertaining and makes a lot of difficult ideas fun. So, if you want to command an army of the undead, then CryptoZombies is the course for you. However, I would recommend Space Doggos. For this, I would recommend the BitDegree Solidity course. The BitDegree Solidity course is great for users who have learned Solidity basics and are ready to start blockchain programming.
The course starts with the environment setup and takes users through to building and launching their cryptocurrency! We've covered the topic quite in-depth, but if you're more of a TL;DR kind of a person, let's see the shorter version of the steps you should take if you want to master blockchain developing:. Now, you know where to start.
You know how to become a blockchain developer. Blockchain technology is going to be a big part of our lives in the future. Blockchain development is going to be a big business. So you might as well invest in some classes if you'd like to know how to become a blockchain developer.
As well as Bitdegree's classes, we suggest trying out Coursera's courses. There are quite a few to choose from when it comes to blockchain development! For more information, check out our other guides to cryptocurrency, Ethereum, and blockchains. We do not publish biased feedback or spam. So if you want to share your experience, opinion or give advice - the scene is yours! There are many ways how you can learn how to become a blockchain developer or even start a career in the blockchain.
You can learn blockchain in university or any other school , that offers to learn the topic. Or try less traditional ways like studying blockchain online on learning platforms , joining blockchain communities, participating in forums and discussions about it, and trying to invest in crypto by yourself.
Is it difficult to learn how to become a blockchain developer depends on each person individually. Some people may find it easy and some may find it very hard to understand. However, it all depends on an individual and how determined they are to learn. Our dedicated MOOC experts carry out research for weeks — only then can they say their evaluations for different aspects are final and complete.
Even though it takes a lot of time, this is the only way we can guarantee that all the essential features of online learning platforms are tried and tested, and the verdict is based on real data. Anyhow, all users would agree that good quality of the learning material is a must for online learning platforms. Every MOOC-reviewing platform is unique and has its own goals and values. That is the goal that a lot of e-learning review sites lack, so we consider it to be our superpower!