dApp Development Company

We design and develop peer to peer Decentralised Applications for a wide array of industries, including healthcare, supply chain and logistics, utility and startups. Our dApp developers know how to convert ideas into dApp development that can bring transparency and security to your business ecosystem. 

dapp development
Hedera Hashgraph development company

Our dApp Development Services

Leveraging the same product development experience that generated millions of revenue for clients from startups to Fortune 500s, we help clients experience the potential of blockchain technology. From smart contracts to decentralized exchanges and applications, our dApp Development Company helps businesses stay on the competitive edge in the decentralized applications world.

MVP Consulting

Our dApp Development Experts stay updated with the emerging dApp market trends and can help you analyze if your idea will succeed or not. We identify the possible stakeholders, define technical components and suggest the right blockchain platform as per the client’s requirements.

User Interface

We adopt the most structured user interface designing processes right from ideation, wireframe designs, Low fidelity and high fidelity design with interactive prototypes. We have a proven track record of creating award-winning user-friendly apps for our clients and have delivered over 100 apps since 2007.

Decentralized Exchange Development

We can build a highly scalable and customized exchange platform as per the client’s requirements. The exchange platform can connect external exchanges via distributed shared order books and APIs.

Cloud Services

We help our clients encapsulate dApps as microservices that are externalized by APIs. Our microservices will let you focus on single business capability. We will provide the cloud data store for each microservice.

Smart Contracts

Our smart contract service include writing, testing and deploying contracts on various platforms like Ethereum, Neo and others. We help our clients choose the right platform that fit their business need.

Decentralized Storage

There are several decentralized cloud storage platforms that supports peer-to-peer transactions and provide the most secure, private and efficient cloud storage. We identify and choose the right platform for the projects.

dApp Porting

We offer comprehensive support in dApp Porting with the reusable codebase on any operating system. We can move your current application to any blockchain platform that meets the business requirements.

dApp Upgrade Services

The application should be updated timely to run business operations smoothly. We provide clients with complete migration and upgrade services whenever needed. Our team can deploy new smart contracts and upgrade the microservices for the dApps.

The dApp Architecture

dApp development Architecture

dApp Development Platforms we work on



An open-source decentralized public platform with smart contract functionality



A project of open-source blockchain platforms and related tools


An open-source blockchain platform to build cross-industry apps



An Open-Source Platform for Decentralized Assets and Applications


An open platform to build decentralized financial products


A blockchain, which can support scalable and industrial-grade dApps



An enterprise-grade public network based on Asynchronous Byzantine Fault Tolerance algorithm


A decentralized platform to develop high-performance blockchain apps

Technology Tools that pillar our dApp Development Services

We use Geth to launch Ethereum node, transfer funds between addresses, explore block history, mine Ether and create contracts.
We test out the dApp on Blockchain Testnet before launching it on the mainnet to prevent the system from bugs and issues.

We utilize Zeppelin tools to perform the security audits on the smart contracts and manage reusable smart contracts efficiently.
Our team of dApp developers also use BlockStack to build scalable dApps that allow users to own their data. The platform enables us to write the dApps in any programming language.

Our dApp Development Company uses Truffle which offers a development environment and asset pipelines for Ethereum application development. It allows custom deployments for many public and private networks.

We create, deploy, debug and test smart contracts written in Solidity language on Remix, a browser-based IDE. It can connect with Ethereum Blockchain via Metamask.

Back-end Programming Languages We Understand


We write smart contracts for blind auctions, voting, multi-signature wallets and crowdfunding in Solidity programming language. Solidity is an object-oriented language that supports libraries, inheritance and user-defined types.


Our developers understand Golang and use it for writing chaincodes in Hyperledger Fabric. It is an open source and statically typed programming language which is platform independent.


We use JavaScript language to store all the code of a dApp. It is a dynamic and prototype-based language that supports object-oriented and declarative styles.


We utilize Java programming language to write code for microservices to be used in a dApp if required. Also, various SDKs for different blockchain platforms are written in Java.


Our developers also understand Node.js which can be used to build backend of real-time multi-user decentralized applications.


Since PHP can interact with different database languages, we use PHP to build dynamic web applications on top of the blockchain platform.

Front-end Development Stack We Follow


We simplify the development of dynamic web dApps with a feature-packed JavaScript framework, Angular.js.


We utilize an open-source toolkit, BootStrap, which allows us to build a decentralized and responsive website using HTML, CSS and JS.


Since jQuery is light-weight and supports a wide range of plugins to present special effects in the web apps, we utilize it while building decentralized web applications for clients.


We use React, an open-source JavaScript Library, to build user interfaces for single page applications. It can be used for managing the view layer for both web and mobile apps.

We leverage high-performance cloud services to deploy and manage enterprise dApps

Microsoft Azure

Our dApp developers use Azure Blockchain Development Kit to deploy and manage decentralized applications with multi-party workflows defined by smart contracts and configuration.

Google Cloud

We also use Google Cloud’s Blockchain Kit to build and deploy blockchain apps with a unique feature “Pay-as-you-go.”


Our dApp Development Team uses Amazon Web Services (AWS) to deploy dApps built on various platforms including Hyperledger Fabric/Sawtooth, Ethereum and Corda worldwide in a few clicks.

Our dApp Portfolio

dApp for Identity Management

EarthID is a decentralized “Identity Management System” app built on the blockchain. It is used for online and offline user identification information exchange. Earth ID eliminates the need for different identity methods and instead uses only ONE universal way of identification. EarthID is secure, reliable and can only be controlled and modified by the owner.

dApp for Identity Management

EarthID is a decentralized “Identity Management System” on the blockchain that is used for online or offline user identification exchange. Earth ID eliminates the need for different identity methods and instead uses only ONE universal way of identification. EarthID is secured, reliable and can only be controlled and modified by the owner.

dApp for Product Exchange

Xchange is a barter system dApp developed on the blockchain. Xchange decentralized app is one of the biggest and revolutionary ideas in the shared economy on the blockchain platform. The app enables users to get in touch with various renters and exchange products using XCH tokens.

dApp for Healthcare

We have built a dApp for Healthcare industry that allows users to share their medical records with hospitals and other users without revealing their identities. The app ensures the authenticity of health records by storing it on the blockchain.

dApp for Pharma Supply Chain

Our dApp Development Company has developed a pharma supply chain platform on blockchain for international aid distribution. The decentralized app allows its users to completely trace the distribution of drugs from the warehouse through the last mile.


We convert ideas into practical decentralized applications that are scalable and reliable. We recommend following a process to test quickly and get product maturity at an early stage. With the experience of building 100+ digital platforms for clouds, apps, and blockchain companies, we have tailored our process to match the ongoing blockchain industry changes.

Blockchain Ideation

  • Brainstorm idea and business requirements
  • Identify any existing system migration to Distributed Ledger
  • Prioritize use cases in “Fail fast”, “MVP” & “v2.0”
  • Define off chain & on chain business entities
  • Define technical component
  • Roadmap of the product

Team Members

  • Solutions Specialist
  • Technical Lead
  • UX Lead
  • Business Analyst
  • BlockChain Consultant


  • NDA
  • Design Sample
  • Presentations
  • Use Cases
  • Off Chain & On Chain Data
  • Proposal for development of PoC

Proof of concept development

  • Identify technology Hyperledger, Ethereum, HashGraph or Lightening Networks
  • Pick a simplest and essential use case for POC
  • Develop a PoC

Team Members

  • Blockchain Developers
  • Blockchain Technical Lead
  • Technical Architect


  • PoC on the test network
  • Audit report of speed and scalability
  • Proposal to build MVP, v1.0 blockchain application

Visual & Technical Design

  • Create User interface design for each software component
  • Design technical Architecture
  • Identify the level of focus on scalability and Security
  • Document technical GDPR compliance requirement
  • Create sprints and delivery milestones

Team Members

  • Business Analyst
  • Solution Specialist
  • UX Lead
  • Product Manager
  • BlockChain Architect
  • Developers


  • Flow diagram
  • System blueprint
  • Block definitions
  • Design assets
  • UI Marvel prototype
  • Epics and User stories
  • Document scalability and security requirements


  • Pre-alpha
  • Alpha
  • Beta
  • Release Candidate
  • Production

Team Members

  • Developers
  • Quality Assurance
  • Team Leads
  • Scrum Master
  • Technical Architect


  • Source code
  • Smart Contracts
  • Builds
  • Test Blockchain Deployment


  • Provisioning
  • Deploy on Main Chain
  • If, Hybrid solution
  • Cloud deployment
  • App Store deployment

Team Members

  • DevOps
  • Quality Assurance
  • Delivery Manager


  • Internal distribution
  • If public blockchain
  • Main Network Release
  • Rollout execution
  • If hybrid solution
  • App Store release
  • Play Store release


  • Requirements gathering
  • Backlog prioritization

Team Members

  • Developers
  • Quality Assurance
  • Team Leads
  • Scrum Master
  • Technical Architect


  • Upgrades Smart Contracts
  • Deploy new contracts
  • If hybrid, Upgrade apps and microservices
LeewayHertz clients 2019

Meet Our Blockchain Experts

Akash Takyar

CEO, LeewayHertz

Blockchain Expert and Hashgraph Ambassador

Deepak Shokeen

CTO, LeewayHertz

Blockchain Solutions Architect

Our Engagement Models

Dedicated Development Team

Our blockchain developers are hands-on the cognitive technologies to deliver high-quality services and solutions to clients.

Team Extension

Our team extension model is intended to help clients who want to extend their team with the right expertise required for their project.

Project-based Model

Our project-based model and software development specialists are there for customer collaboration and specific client project engagement. 

Get started today

1. Contact Us

Fill the contact form protected by NDA, book a calendar and schedule a Zoom Meeting with our experts.

2. Get a Consultation

Get on a call with our team to know the feasibility of your project idea.

3. Get a Cost Estimate

Based on the project requirements, we share a project proposal with budget and timeline estimates.

4. Project Kickoff

Once the project is signed, we bring together a team from a range of disciplines to kick start your project.

Start a conversation by filling the form

Once you let us know your requirement, our technical expert will schedule a call and discuss your idea in detail post sign of an NDA.
All information will be kept confidential.

 Send me the signed Non-Disclosure Agreement (NDA)


How to Develop a dApp on Algorand?

How to Develop a dApp on Algorand?

Algorand is a smart contract-oriented, decentralized network designed to solve the blockchain trilemma of achieving speed, security, and decentralization simultaneously.

read more


What are dApps?

dApps (Decentralized applications) run on a peer-to-peer network of computers instead of a single computer. They are similar to a conventional web application in a way that its front end uses the same technology to represent the page. But the backend uses smart contracts to connect to the blockchain network instead of an API connecting to the database.

Advantages of dApps over Traditional apps

  • dApps are tamperproof and records stored in it are unalterable, protecting the application from hacking or intrusions.
  • Decentralized apps are governed through autonomy and changes made in the applications are decided through consensus of all members in the network.
  • Unlike traditional apps, decentralized applications i.e. dApps do not rely on a single server and therefore, it prevents the risk of central point of failure.

What type of dApp suits your business case?

dApps are classified into the following three types:

  • Type 1: dApps with their own blockchain, for example, Bitcoin.
  • Type 2: Using the blockchain of Type 1, these dApps are protocols with token essential for their functions, for example, Omni protocol.
  • Type 3: These dApps use Type 2 dApp’s protocol, for example, SAFE network issuing Safecoins using Omni Protocol.

What is dApp Development?

dApp Development is the process of building decentralized applications with backend code running on a decentralized peer-to-peer network. The difference between traditional and dApp Development is the way programming is done. The coding of dApp is more rigorous than traditional app development as the code of the smart contract is unchangeable once it is commenced on the mainnet.

We provide dApp development services that include decentralized exchange development, smart contracts development, dApp consulting, dApp porting and dApp upgrade services. 

What are the steps in dApp Development Process?

Here are the steps involved in the dApp Development Process:

  • Analysis and Ideation
    Firstly, you need to analyze whether your business use case needs to be built on the decentralized network or not. Once you decide that you require a dApp for your business, you need to identify the technology components required to develop a dApp. Also, define on-chain and off-chain business entities
  • Proof of Concept
    After analyzing and identifying the tech components, the next step could be developing a PoC to test the viability of the proposed solution with minimum features.
  • Visual Interface and Technical Design
    The next step is to create a user interface design for each software component and design technical architecture to identify the working of a dApp.
  • Development and Deployment
    It is a crucial step in dApp development where blockchain developers start building the application using the agile development methodology. After the app is tested on the test network. developers deploy them on the main net and cloud platforms. 

What factors make a company the best dApp Development Company?

When it comes to looking for a decentralized app development company, you should identify if the company is excel in building web and mobile apps for your project development. The company should also have a team of dApp developers who are skilled in developing blockchain apps and know how to work on different blockchain platforms like Stellar, Tezos, EOS, Hyperledger, Corda and Tron. 

Another factor that makes a company the best decentralized application development firm is the number of blockchain projects they have worked on. 

What will be the cost to hire dapp developers?

The cost of building a dApp depends on the client’s requirements. dApp can provide anything from being able to take in hundreds of users to a million users depending on the business requirements. Therefore, the cost of hiring dApp developers is decided on the basis of factors like tech stack and your project requirements.