How to create a blockchain application 2022 Tip

This tutorial explains how to create a blockchain application. We will do our best for you to understand this guide. I hope you will like this blog, How to create a blockchain application. If your answer is yes, please share after reading this.


Check how to create a blockchain application

Decentralized exchanges, crypto wallets, and peer-to-peer lending platforms are just the tip of the iceberg in the booming market for blockchain applications. Who knew you could run a distributed healthcare or fintech application where consumers and providers have a say in how data is aggregated and shared? Before we talk about blockchain application development, let’s briefly summarize what blockchain (also known as DLT) and blockchain applications actually are. Finally, this technology is directly related to the most fundamental layer of DApp applications.

If we go back a bit and think about why we use apps, we have to admit that every app stores data, processes it and shows it to us. Put the stock market app on your phone: stock charts, industry news, indices – these are all data the app extracts, processes and displays in the most digestible format. Delete this data and the application becomes an empty shell. With a typical application (99% of software today), data resides on centrally controlled servers owned by a company that developed an application.

For example, Apple’s stock market app uses the company’s servers, which pull information from stock exchanges and news sites and then make it available to users through the app’s interface. The key here is that only Apple controls how app data is processed and delivered to customers.

How to create a blockchain application

develop the idea

You need to identify the use cases for your application and make sure whether or not your idea requires blockchain. It is important to note that the blockchain is a method of encrypting data and validating transactions, and if implemented incorrectly, it does not guarantee any additional security for transactions.

Once you have concluded that blockchain is essential for your project, you must realize that blockchain development is FREE. There are several ways to develop a blockchain application, discussed in the next point, which differ in terms of cost and functionality.

As a valid example of using blockchain, if you are a realtor and want to build a blockchain-based supply chain application that will keep a record of every property you sell, you need to understand the multiple cases of use of the application and its operation. Donate Benefit your business and the consumer.

Identify the right blockchain platform

Once you have concluded that your business should be blockchain-based, you need to identify the right platform or technology to use. There are two basic ways to do this.

Create a new blockchain

You can choose to create your own blockchain framework where you decide everything from algorithms to transaction validation, from the tech stack to token transaction fees. It is the most complete type of blockchain development, but also the most expensive. Basically, they are planning to create another bitcoin or ethereum, which, although it looks lucrative, can cost you hundreds of thousands of dollars. Generally, you will only choose this option if you are creating your own cryptocurrency.

Clone popular blockchain platforms

The other most effective way to develop a blockchain-based application is to develop it using a popular blockchain platform. These platforms are open source, so you can fork their repositories and deploy the code to your own servers. The most important question to ask yourself is: why would the world adopt a blockchain you created? Remember that a blockchain platform is only successful if there are enough network nodes that can validate transactions.

Some popular platforms are Ethereum, Hyperledger Fabric, and Hyperledger SawTooth. Each has certain characteristics that can help you decide. You can learn more about these platforms here. The most popular blockchain platform is Ethereum, which can hold both your coins and your tokens (see next point). A few points about Ethereum –

  • Ethereum is a public and open-source distributed computing platform based on the blockchain, offering the functionality of smart contracts.
  • Ethereum uses a proof-of-work algorithm, called “Ethash”, which requires more memory to make mining more difficult.
  • Smart contracts on Ethereum are written in the Solidity programming language, which is a subset of JavaScript.

Use tokens on existing blockchain platforms

This is a bit different from the previous point. At the last point, we clone the entire blockchain platform and deploy it on our own servers, provided we have enough network nodes to validate mining transactions.

But we can also “just create tokens” and deploy them to an existing running blockchain like Ethereum. These platforms provide out-of-the-box APIs, algorithms and mining strategies to easily implement blockchain in your application (blockchain as a service). You do not need to create a separate waller for your tokens/transactions as Ethereum tokens are accepted by a variety of existing wallets.

It’s like creating your own e-commerce store on Shopify. Shopify has all the e-commerce functionality out of the box on its platform, and users only enter the necessary data to create their own Shopify store. Similarly, you can simply code your own tokens in the Solidity language and implement them on Ethereum (or use another language for different blockchain platforms). The existing platform gives you out-of-the-box services that you can use to transact with your tokens. Remember that tokens can be both coins and smart contracts.


Since blockchain development is very expensive, it is advisable to first develop a proto-application to ensure that everything works as expected before deploying it to a live server or an existing blockchain platform like Ethereum . During proto development, you also need to decide which part of the application will be on-chain and which part will be off-chain.

Simply put, since you are building a web application or a mobile application that uses blockchain, there may be normal functionality that can run on general cloud hosting that does not require blockchain. Then there is the transaction part of the application, which you would probably place on the blockchain platform. You also need to decide whether your application (or parts of it) will be built on a privileged network or an unprivileged network.

  • Allow fewer networks. Here anyone can join and start checking out. The best-known examples are the Bitcoin and Ethereum networks.
  • authorized network. In this case, the network owner decides who can join the network and only a few members can check for blocks. Consensus mechanisms can be the same as in a permissionless network, or they can be completely unique in design (eg, authority-based).


It is the core element of blockchain application development. For the sake of simplicity, let’s follow the process described in point 2c. above i.e. H. the use of tokens on existing blockchain platforms. It is important to understand the transaction mechanism first. The token is basically a long alphanumeric string that serves as a unique identifier for your coin/smart contract. Each blockchain wallet user has unique public and private keys (similar to long passwords). These keys are used to identify users to credit/withdraw funds or to refer to the smart contract. This is very similar but much more secure compared to adding a new beneficiary to your bank account using their bank account number etc.

You can create your own Solidity language smart contract/token for Ethereum. You must first create a test token and verify its functionality before implementing it on a real blockchain. Follow this official guide to creating your first Ethereum token and this blog post to understand the nuances of creating your own token. Once you’ve created the contract/token, you put it “on-chain”, which basically means deploying your code to a server.

A transaction begins when a user submits an attempt to send a token, which the network validates as valid (if they own the token and have not sent it to anyone). Your token information is then combined with your private key, which then spits out a numeric code which is then verified by the network using the sender’s public key. This is possible because a contract signed with a private key can be validated with a public key, but no public-private key mapping can be established, so everything remains secure.

Final Words: How to Create a Blockchain Application

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