How to Build Your Profitable DApp Using Web3: Guide for Not-tech Founders from Tech Geeks
9 min.

The public opens its eyes a little and starts to see all the benefits of blockchain and other innovative technologies. For example, in 2022, about 1.13 million unique wallets interacted with gaming dApps, which is 60% more than in 2021.

If you want to build your own dApp with Web3, you’re on the right track. We at ProCoders are ready to enrich your knowledge. How to approach the development? How much will it cost? How to invest properly?

This guide will answer all of your questions. Code included!

Key takeaways:

  • Web3 dApps are applications based on blockchain. They have no central authority or control, integrate crypto easily, and are open-source.
  • The challenges connected to Web3 dApp development are the security and scalability of the approach, as well as the search for engineers with fair prices.
  • Typically, the architecture of such applications consists of a smart contract, a front end section, and a wallet platform for transactions.
  • The tech stack includes Solidity, JavaScript, Web.js, and other useful languages and frameworks.
  • To develop a Web3 dApp, you need to make 3 big steps: creating a smart contract, connecting it to the front end part, and writing the features of the app. We cover these steps in detail in this guide.
  • To invest properly into Web3, you could develop your own dApps or invest into other profitable projects with potential. Find more ways in the guide.

Decentralized Applications Using Web3: Basic Definitions

So, what is Web 3 technology? What are dApps?

Web3 decentralized applications’ purposes may be the same as of regular Web2 apps, but these are more innovative and democratic as they are:

  • Open-source – heavy support, encourages engineering and improvements.
  • Crypto-integrated – you can easily use cryptocurrency in your dApps.
  • Decentralized – there’s no central authority, which means no censorship and process transparency.
How to create Dapp with Web3?

The main thing to remember here is that dApps reside on blockchain. When you create your own dApp using Web3, keep in mind that you’ll need a smart contract as a basis for it. Ethereum smart contracts using the Solidity programming language will work perfectly.

For example, if you build a Web3 marketplace, the contract will automatically transfer the ownership rights to the buyer immediately after the purchase. This tech is responsible for the execution of the key processes of your app.

When you read the general information about creating dApp using Web3, it may sound too good to be true. Which we at ProCoders find correct, that’s why we’ve created a list of challenges you may face when opting for Web3 technologies and decentralization.

Honest communication is one of our superpowers, so we’re always open to discussing not just the roses but the thorns as well.

Possible Challenges You May Face When Making Decentralized Applications Using Web3

Here are some of the most common challenges businesses and developers may encounter when building a decentralized application using Web 3.0 tech.


Dependence on third-party tech, potential hacker attacks, and data manipulation can all undermine the security of a Web3 application. These are pre-existing risks all organizations take when entering the sector.


Scalability is still a challenge for Web3 technologies, as it’s not possible at the moment to balance security, scale, and maintain decentralization. That’s why many projects compromise the latter to maintain scalability and offer premium security, which basically brings us back to centralization.

Lack of developers and high rates

As the industry is quite new compared to Web2, you have to really look for skilled professionals with fair rates. Gladly, there are lots of people with proper expertise. We know it better than anyone as many Web3 developers work for ProCoders and put all their effort into overcoming the previous challenges.

But if you want to find the staff yourself, prepare for some high rates due to the lack of competition, especially among senior engineers.

Now, how about learning a little bit about more technical details? When you try to understand make your own decentralized application with Web3, 

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Typical Architecture of a Simple Web3 DApp: What to Consider for Future Scaling

An important part of the answer to the “How to create a Web3 dApp?” question is the architecture of the future project. Basically, a dApp consists of:

  • A smart contract – acts as the back end of the app. This is where you apply the business logic of your application.
  • A wallet – takes care of the transactions necessary to operate the app, join its community, etc.
  • Front end – user interface that receives requests and transfers them to the back end to execute.

To combine all of these, you needed the JSON-RPC API by Ethereum before. Now, you can use Web3.js for this. It translates JavaScript requests into JSON-RPC.

Tech Stack You Need to Build a Decentralized Application with Web3

Before we get into details on how to create a DeFi app or any other decentralized project, we have to mention the tech must-haves that will lead you to success.

What tech stack do developers use to build Web3 Dapps?

You’ll need knowledge of Solidity to write smart contracts for the app. For the client-side app, you’re going to use HTML, CSS, and JavaScript (frameworks like React.js work great for dApps).

Some other things you’ll require:

  • Personal blockchain for app development (such as Ganache)
  • Node.js for development environment configuration
  • A Solidity framework like Truffle to make it easier to create smart contracts
  • MetaMask Ethereum Wallet to turn a simple browser like Chrome into a blockchain one.
  • Web3.js to translate JavaScript requests to JSON-RPC.

Keep in mind that the final tech stack may be different, depending on your requirements and the needs of the project.

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And now you officially have enough knowledge to finally find out how to make a dApp with Web3!

Steps to Make Decentralized Applications with Web3

So, how to make a decentralized app using Web3? Here, we provide clear steps and code samples with easy explanations. Something here may sound complicated, but remember that ProCoders’ specialists are always there for you, ready to take up your project.

Explaining what are Dapps with Web3

OK, let’s dive into the steps of how to build a decentralized app.

Step 1. Create a smart contract and deploy it

If you already have Truffle installed, which you should, start by initializing the space you’ll be coding in by writing:

mkdir greeting
cd greeting
truffle init

If not, write

npm install -g truffle.

The next step is to open your code editor and add the port and IP of your Ethereum network. Then, install a Solidity compiler by writing the following:

npm install -g solc// check the installed version
solc --version

Next, we create the greeting contract with:

truffle create contract Greeting

One of the final steps here is to add a migration file such as 2_deploy_greeting.js:

const Greeting = artifacts.require("Greeting");module.exports = function (deployer) {

To deploy, type:

truffle compile
truffle migrate

Step 2. Join the front end and back end

The next big step in our “How to create a web3 dApp?” guide is setting up the front end of the app and joining it with the contract we have already deployed. For that, you need to create a Client folder, adding two files:

  • index.html
  • package.json

For that, input:

mkdir client
cd client
npm init -y
touch index.html

The next part of the mission is dependencies installation:

npm i web3 --save
npm i lite-server --save-dev //for running a development server

Then, we work with the scripts utils.js and index.js. Make sure to create a new src folder for them and add them to the file with HTML code:

<script type="text/javascript" src="node_modules/web3/dist/web3.min.js"></script><script type="text/javascript" src="src/utils.js"></script><script type="text/javascript" src="src/index.js"></script>

Next, we optimize the MetaMask provider to make sure we’ll get all the benefits of a Web3 dApp we code now. You can use these docs to get all the needed knowledge on the provider and its functions. Here, we need to use window.ethereum to communicate with the users and ask if they are OK with the app accessing their accounts. 

To achieve that, we have to create an instance of our contract. For that, we need its address and ABI. All that and more you can find in the Greeting.json file.

So, you can just copy the file and paste it into Contracts under the Clients folder. To make sure the extension is available to you, don’t forget to install jQuery by inputting the following:

npm i jquery

Next, the ID of the network MetaMask uses. For that, use This data allows us to get the smart contract’s address from the Greeting.json file we talked about earlier, creating an instance.

Step 3. Write the methods of the contract

The final step to make your own dApp with Web3 is writing in the methods of your contract:

  • For read-only features, write
  • For modification features, input

This is a brief guide, but you can find the whole code here to help yourself out.

Coding a dApp using Web3 can be a difficult task. To make your life easier, you can find out how to hire Web3 programmer with ProCoders and skip all the technical difficulties, focusing on the core business and marketing efforts for your new product.

The topic of money is surely important, as any project requires investment, and you can only succeed at monetizing the app 

How to Invest in Web3?

Here are some effective ways to invest funds in Web3:

  • Hire Web3 dApp coders and create your own product
  • Participate in promising Web3 projects
  • Invest in cryptocurrency, new tokens, etc.

How to hire crypto developer? Just contact ProCoders, and the rest is our job!

You can use all of the aforementioned ways or choose one that, in your opinion, will bring more profit and help you achieve your business goals.

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How ProCoders Can Assist You to Create a DApp Using Web3?

ProCoders is a treasure chest with experienced developers, designers, testers, and other tech staff you may need for the project. As an outstaffing company, we hire the best talent from Central Europe to complete your teams.

This means that we may already have the right engineers who can develop dApp with web3 for you on the bench.

ProCoders can:

  • Provide you with additional staff that can take up the project at any stage
  • Create a separate dedicated team specifically for your dApp
  • Provide analysis and estimates if the project is still an idea

Why choose us? Because we offer:

  • Highly experienced middle and senior specialists
  • Honest communication and process optimization
  • An individual approach to every case
  • Vast experience in multiple industries
  • Fair prices
  • Long-term commitment
  • Full tech support of the project even post-launch
  • Proper scalability

If you’re looking for a true tech partner, ProCoders must be on your list!

FAQ about creating a web3 dApp
How much does it cost to build a DApp with Web3?

Around $80-100K, depending on the scale and functionality of the dApp. The numbers apply if you want to create an app from scratch. This is a very rough estimate because it’s impossible to guess; every project has different requirements, feature expectations, capacity, etc.

Not to mention that rates differ wildly depending on the country. A US blockchain developer may cost you much more than a Central European one.

What are Web3 security risks?

Web3 isn’t an exception when it comes to malicious attacks, data manipulation, and data confidentiality. This is especially the case if you want a large-scale application that maintains maximum decentralization.

How to monetize a dApp built with Web3?

You can create a paid premium version of the dApp, use relevant advertisements, launch a subscription, launch a token, etc. to monetize the application.

What are key Web 3.0 tools examples and purpose?

Solidity is one of the most well-known Web 3.0 tools examples. It’s used to write smart contracts that lie at the base of every decentralized application. Etherspot is another useful tool; it’s an SDK you can use as a blockchain development framework. MetaMask, a crypto wallet based on a browser, will help you enter the dApp sector by connecting any browser to blockchain.

What is the best way to invest in Web3?

We at ProCoders say it’s best to build dApp using Web3 and try to monetize it after launch. You’ll have to invest in professional engineers and testers, as well as marketing, but it will all pay off.


Web3 is growing and gaining new followers every year. It’s not too late for you to find out how to develop a Web3 dApp and bring one to life yourself or with the help of professional engineers.

There are still challenges in this sector such as security, scalability, and the effort you need to find proper coders, but with the right team, they are all possible to overcome. The quality of your app says a lot about your company to its customers and program users, so it makes sense to hire the best people to create it.

We at ProCoders are looking forward to scheduling a call with you about your next project! We’re sure that there are available developers for you at the moment.

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