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DApp Development: How To Build A Decentralized Blockchain App

Over the past time, blockchain has been blowing our minds. Being a technology in general, it has found its direct application in DApps or decentralized applications. DApps are here to match users with service providers without any middlemen due to the distributed ledger technology. And this can be implemented in literally any industry.

The number of DApp projects has been growing constantly except the light decrease at the beginning of 2020. Currently, we are watching the rising demand in decentralized applications and therefore in the blockchain developers.

Want to know rates of Blockchain developers?

“Read Also: How to Hire a Bitcoin Developer

Want to know rates of Blockchain developers?

“Read Also: How to Hire a Bitcoin Developer

dapps development

In most cases, businesses are choosing to outsource the DApp development because of the specific knowledge required for this purpose. And it’s quite a challenge to find a trusted team of coders with a portfolio of successful and operational DApps.

DApp Development

Before we come to the DApp development, let’s speak about the core of DApps, their features, and advantages.

What is a decentralized application?

Decentralized apps are one of the ways to put computing, data storing and operation into a distributed space. Thereby, without there is no need for powerful computers or storing capabilities concentrated in one place. There’s a higher reliability that would enable the application to run successfully even if a big part of any computing power or storing space is offline.

The blockchain is mostly chosen to host the DApp. Its distributed nature perfectly matches with the needs of such applications and offers computing, transacting and data storage in a trust-less space that couldn’t be tampered thanks to its unique distributed ledger mechanism.

Blockchain DApp development offers all required functions capable of building, testing, auditing, and running an application on it. The DApps are open source projects, and they are incentivized, meaning that there is a reward system for the network participants — nodes.

build a decentralized blockchain app

Why Do You Need To Create A Decentralized Application?

Decentralized applications offer lots of perks that may be essential to any application. At first, DApps were demanded for cryptocurrency wallets and exchanges, but the picture is changing and we can monitor gambling projects and games which are quite successful cases along with cryptocurrency exchanges.

ethereum DApps development

Of course, there is no need to build a decentralized calculator, Tetris game or any other kind from 90% of apps you would think of in the first place, but there are some things offered by blockchain, that can’t be beaten.

First of all, of course, is the immutability. Whereas almost any server storage can be hacked and the data on it can be erased or changed, with blockchain any changes to already stored data are impossible. This drastically improves the security of the data that is being processed by an app, and this improvement is offered to every dApp development company out of the box.

Then there is the speed. In the majority of client-server applications, all data is sent to the server to be processed, and it may require some time to get, compute and output the required data. With DApps, several computers may hop on the task simultaneously, process giant amounts of data, compare their independent results, make consensus and output the processed data in a matter of seconds. All of this without any powerful server at all!

Of course, there’s increased stability of the service, as you can’t simply hack, DDoS or overload the servers (as there aren’t any!); there’s economy on resources, no electricity bills, no costly server and data storage maintenance, no cooling, no nothing; and there’s privacy, as everything in the blockchain is absolutely anonymous and encrypted, and your data can’t be a subject to any kind of censorship at all.

Due to all these advantages, DApps are a great choice for a variety of cases. No wonder such solutions attract users with its reliability and speed gaining their trust and loyalty. Apparently, the market is ready for an even greater number of new projects.

users of decentralized applications

How To Build A Decentralized Blockchain App

Each DApp development company or blockchain developer has its flow of creating applications. However, we can outline some common and essential stages, such as follows.

  • Defining the problem and setting the goals

In the beginning, it is important to find out how the DApp is going to solve a particular problem and if you need blockchain technology for that.

  • Designing the architecture

Here you should choose where your dApp will be placed: in-house, in the cloud, or in a hybrid way. We recommend the cloud framework. Next, you need to choose from various solutions in terms of the access: private blockchain, the public blockchain, hybrid blockchains, permissionless solution, etc.

  • Choosing the consensus mechanism

Like in any decentralized system, coders need to choose how the network members authenticate a transaction, for example, via proof of work, proof of stake, Byzantine fault tolerant, etc.

  • Selecting the platform

Depending on the stability needs, scale, solution, and budget, you need to choose a blockchain platform to build your dApp. The leading platform for now if Ethereum – an open source solution which along with other planforms helps to accelerate the development and save costs, as building your own blockchain from scratch can be too long and expensive. Two more competing platforms following Ethereum are EOS and TRON.

apps development platforms

  • Coding the DApp

This step is quite straightforward but requires special knowledge of the smart contracts and you have to keep in mind that all the blockchain transactions cost money.

  • Designing UI and admin console

No matter how great your backend is, a user will be able to evaluate the dApp by its intuitive UI and functionality. And that is why you need experienced front-enders, designers, and maybe even product marketers to nail it.

  • Testing and deploying the DApp

Remember that immutability is one of the blockchain’s key features. Thus, before deploying the dApp, make sure that is has passed a considerable testing mode. We also recommend choosing the MVP model for your dApp development. Here’s how you can create an operational solution that can be used to improve performance, identify latency, etc.

When all the critical issues are solved, you can scale the app and even integrate it with other technologies, such as AI, Big Data, IoT, etc.

The Most Successful Use Cases

Top-5 DApps 2019


IDEX is a decentralized cryptocurrency exchange and the most popular Ethereum-based DApp. The exchange provides users with direct control over their private keys which reduces the risk of fraud. All transactions are conducted in real time and there is an option of executing several operations at once.

IDEX exchange offers more than 450 cryptocurrency pairs and have $1 787 378 market cap.

Want to create own cryptocurrency exchange?

“Read Also: How to Make a Cryptocurrency Exchange

Want to create own cryptocurrency exchange?

“Read Also: How to Make a Cryptocurrency Exchange

Main features:

  • Anonymity – no user identification is needed, all transactions are anonymous;
  • Low commissions – no intermediaries and low transaction fees;
  • Reliability – all assets are controlled on the user’s side.

Kyber Network

One more decentralized exchange platform for trading and cryptocurrency conversion. In Kyber Network all transactions are conducted through smart contracts, there are no assets storing on the platform.

The exchange use backup operators and ensures transaction liquidity. Users can get their cryptocurrency or tokens as soon as transactions are needed, no confirmation time or deposits required.

One more useful feature for traders and crypto enthusiasts – conversion rate is locked and won’t get change in the process of the transaction.

Kyber Network’s market capitalization at the time of writing is $37 173 481, 24 hours volume is about $4 792 791.

decentralized application development


The TRON-based platform aims to create a “Game / Guess as a Service” (GaaS)” ecosystem. Allbet offers two games Dice and Poker and has its own token, having an overall reserve of 10 billion.

The tokens are also available in both Ethereum and EOS. The platform provides a referral program rewarding encouraging users to promote Allbet and invite new people to participate.

EOS Knights

The first blockchain-based not gambling game ever. It was created on the EOS platform right after the launch of the platform itself and still has more than 5,000 fans all over the world.

To start a game, a user needs an EOS wallet and account. The blockchain game plot is to defend the village from orcs’ attacks. Users can choose one of three characters, equip them and fight.

The main feature is that game is blockchain-based, any stuff created by gamers can be sold to other users and have financial value as it can be as the “fuel” of the EOS platform.

Hold’em PokerKing

Due to the fact that a significant number of DApps includes gambling projects, there is another one in our list.

PokerKing is one of the most popular EOS-based DApps. The game is the first professional Texas Hold’em using the EOS ecosystem. Due to using the smart contracts, the winning and bets are guaranteed.

You can find more popular DApps and relevant stata here.

Our Experience, Pitfalls, Tricks, And Tips In DApp Development

Inn4science team of 40+ blockchain developers has been providing decentralized application development services for quite a while, which means that most of the pitfalls are in the past. Now, we have our tips and tricks on how to build a dApp that stands out.

Recently, we have developed a decentralized exchange for one of our clients. In this case, the most responsible and controversial issue was to choose the blockchain framework that could ensure the required transaction speed with ready-to-use libraries for crypto exchanges. We have studied over 5 platforms, including Hyperledger, Graphene, and Exonum, before making a choice. After thinking over all pros and cons, we’ve decided to build the exchange on EOS.

In our dApp development company, we pay an exceptional attention to the product’s testing and split it into several iterations, such as unit tests and module’s automated test. A qualitative approach to testing allows not only to identify the issues but also determine weaknesses in the business model and technical documentation.

Finally, we are standing for the healthy and responsible planning. Thus, we always consider risky timeframe needed for unpredictable situations on the project, and this ensures a thorough meeting of all deadlines. You cannot argue that timely delivery is more than crucial in the rapidly developing blockchain industry, right?


Decentralized applications offer lots of improvement if compared to their centralized counterparts. Unparalleled security and stability, banking-grade consensus mechanisms, anonymity, and other blockchain-derived things may not be reached by outdated technologies centralized approach could offer.

With all this being offered now, just imagine how much more functions building blockchain DApps will provide in the nearest future! Now is the best moment to hop on and start the development of decentralized apps, as later it will be harder to transform old and obsolete client-server applications to decentralized ones.

Now, how to build a DApp? Our advice: leave it to professionals. A team of Inn4science dApp developers are always looking forward to helping companies transform their businesses and create outstanding solutions by adopting the blockchain technology. So, if you are searching for a trusted blockchain development company to make a DApp, check out our portfolio and feel free to contact us today.



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