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Top Blockchain App Development Company

""Making blockchain simpler, one line of code at a time.""

Zealous System holds expertise in building blockchain apps that enables businesses to have confidence in the transparency, tamper-resistance, and effortless auditability of their transactions. Our team of skilled developers collaborates with clients to gain a comprehensive understanding of their individual requirements, and they design personalized solutions that harness the complete capabilities of Blockchain technology.

Our Blockchain app development services cover a wide range of industries, from finance and healthcare to logistics and supply chain management. At Zealous System, we pride ourselves on staying at the forefront of this rapidly evolving technology, and our commitment to innovation has made us a leading provider of custom blockchain application development.

“Our numbers speak for themselves.”


Diverse Domains


Blockchain App Developed


Blockchain Developers


On Time Delivery

Our Blockchain App Development Services

“Our expert fingers take no time in crafting top-notch technology!”

Blockchain Consulting & Development

Blockchain Consulting & Development

  • Our team of experienced blockchain consultants uses blockchain frameworks, such as Ethereum, Hyperledger Fabric, and Corda, to architect scalable solutions.
  • Our blockchain developers utilize Solidity, for Ethereum-based smart contracts, to create self-executing code that ensures transparent, secure, and tamper-proof interactions between parties.
  • As a blockchain app development company, we use tech like IPFS (InterPlanetary File System) and Tangle to enable secure, immutable, and decentralized storage and retrieval of data.
Crypto Exchange

Crypto Exchange

  • We offer complete solutions for integrating decentralized exchanges into your crypto trading platform enabling peer-to-peer trading and providing enhanced liquidity options.
  • Our team of experienced blockchain developers specializes in creating and deploying smart contracts using Solidity, the industry-standard programming language for Ethereum.
  • Our wallet solutions support multiple cryptocurrencies and integrate advanced features such as cold storage, two-factor authentication, and encrypted private keys, for an infrastructure to secure digital asset storage.
NFT Marketplace App Development

NFT Marketplace App Development

  • By implementing Ethereum Virtual Machine (EVM), we ensure secure and immutable transactions, enabling buying, selling, and trading of non-fungible tokens (NFTs) on your platform.
  • We employ blockchain technologies like Ethereum, Binance Smart Chain, or Polygon (formerly Matic) to build an infrastructure for your NFT marketplace app.
  • Our blockchain developers have expertise in React, Angular, and Vue.js, to design and develop responsive front-end interfaces that allow users to explore, discover, and interact with NFTs effortlessly.
Decentralized App Development

Decentralized App Development

  • Our team of expert blockchain developers specializes in tools such as Truffle, Ganache, and Remix to develop and deploy smart contracts on the blockchain network.
  • Our DApps offer transparency, immutability, and enhanced security, enabling users to interact directly with the blockchain, without intermediaries.
  • Our team deploys ERC-20 and ERC-721 compliant tokens, ensuring compatibility with popular blockchain platforms like Ethereum.
Web3 App Development

Web3 App Development

  • Our Blockchain App Development Services Utilizes Ethereum for building decentralized applications (dApps) with smart contracts, enabling secure and transparent transactions.
  • Integration of Web3 technologies, such as MetaMask, Solidity, and Truffle, to facilitate the creation of decentralized applications that interact directly with the blockchain.
  • Implement decentralized identity management protocols like ERC-725 and ERC-735 to enable self-sovereign digital identity solutions within Web3 applications.
DeFi App Development

DeFi App Development

  • Our tokenization services, enables the creation of custom tokens on blockchain networks like Ethereum and Binance Smart Chain (BSC).Development of scalable, secure, and user-friendly DeFi applications.
  • With our proficiency in front-end and back-end technologies like React.js, Node.js, and Web3.js, we develop decentralized applications (DApps) for the DeFi ecosystem.
  • Our DApps enable users to engage in decentralized lending, staking, yield farming, decentralized exchanges (DEX), and other DeFi functionalities, all within a secure and auditable environment.
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Process We Follow As A Blockchain App Development Company

“We don’t dive into unnecessary complexities.”


Scope Analysis Process

  • Requirement Gathering
  • Detailed Scope Documentation
  • Wireframes
  • Technical Feasibility

Sprint Planning & Execution

  • Sprint Planning
  • Daily Standup Meeting
  • Designing & Development
  • Testing & Stage/Dev Deployment

UAT & Release

  • UAT Feedback & Bug Resolution
  • Deliver Well-crafted software
  • Deploy All Assets and Code


  • Knowledge Transfer to Client Team
  • Contract Based Support
  • Release Notes/User Manuals (If applicable)

Blockchain Networks We Support

















Desktop Wallet

Metamask Wallet

Mobile Wallet

My Ether Wallet

Paper Wallet

Why Choose Zealous System For Developing Blockchain Applications?

“We don’t boast but our results say so!”

Domain Experience

We have expert blockchain developers catering in the specific industry/domain to ensure effective problem-solving and decision-making.

Functional Experts

Zealous has individuals with specialized knowledge in specific areas such as marketing, finance, or human resources who can bring value and expertise to the project.

Truly Agile

Adopting agile methodologies allows for flexibility, adaptation, and continuous improvement throughout your project’s lifecycle.

Latest Technologies and High Standards

Zealous incorporates the latest technologies and adhering to high standards ensure that the project is innovative, efficient, and effective.

Integrity & Transparency

We uphold ethical principles and are transparent in all communications and actions which builds trust and strengthens relationships between team members and stakeholders.

Extensive QA Process

Rigorous testing throughout the development process to ensure that the project is error-free, functional, and meets the expected standards.

Real-time Communication

Effective communication, whether in-person or virtually, takes place to ensure collaboration, problem-solving, and timely decision-making.

Goal-Oriented Workflow

We establish clear goals, objectives, and timelines for each phase of the project which helps in ensuring that the team stays on track and delivers results on time and within budget.

Our Portfolio

"We are very proud of our diverse portfolio and the projects that our experts have created!"

Instant school
Instant School App

The Instant School App is a Mobile Platform that allows Schools to enrich relationship with their students’ parents in a few easy steps.

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K3 logistics
K3 Logistics

K3 Logistics is an Order Tracking app which provides a logistical tracking and monitoring system for a logistics company, where drivers and suppliers can track the progress of their orders.

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Digital wallet app
Digital Wallet App

Developed for one of our client in Middle East, digital wallet app is a new and convenient way to transfer money domestically as well as internationally, pay at authorized shops, and pay basic bills.

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Sonic tonic app
Sonic Tonic App

Sonic Tonic is an e-Health App that uses medically accepted Receptive Sound Therapy for making effective & fast interventions.

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AR spots finder
Ar Spots Finder

AR Spots Finder is a Mobile App that allows Visitors and Shoppers to easily locate a Brand, Product, Shop or Promotion in a Mall or at a Venue by utilizing Augmented Reality & Beacon Technology.

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Our Podcasts

Clutch Goodfirms

Client Testimonials

I have used Zealous for several of my projects, I have found the team to be very professional yet personable. When I work with Zealous, I know I am getting the best developers who understand my requirements before they start.

Andrew Arlington

Andrew Arlington

Sales Director at Digital Dilemma

I was retained by a client as a Software and Cloud Architect to support internal and customer-facing products. The client had existing mobile apps of poor quality built by another provider.

John Bentley

john bentley, II

CTO at 10XTS

From day-1 Pranjal and his team have been very good at delivering quality work on time to budget. They are dynamic, if resources need to be shuffled around depending on what work needs to be done.

Graham Bradford

Graham Bradford

Senior Product Manager at Ecentric Payment Systems Driving

Frequently Asked Questions

“We built strategies before development that work just for you.”

What kind of blockchain apps can Zealous System develop?

Zealous System can develop a wide range of blockchain applications, including but not limited to: crypto exchanges, NFT marketplaces, decentralized apps, and DeFi apps. Our team helps you in building blockchain apps tailored to meet the specific needs of your business.

Which blockchain platforms does Zealous System work with?

Zealous System has experience working with various blockchain platforms, including Ethereum, EOS, TRON, Polkadot, and more. Our team can advise on the best platform for your project based on your specific requirements.

How does Zealous Systems ensure the scalability of blockchain applications it develops?

Firstly, Zealous Systems utilizes blockchain frameworks that offer high transaction throughput and low latency, allowing for faster processing of data. Secondly, the development team at Zealous Systems focuses on optimizing the architecture and design of the applications to minimize bottlenecks and maximize scalability. We carefully analyze the application’s requirements and employ techniques like sharding, sidechains, or off-chain scaling solutions when necessary. Additionally, we stay updated with the latest advancements in blockchain scalability and employ relevant technologies and techniques to ensure the applications can handle increased user activity and data volume effectively.

What kind of support does Zealous System offer post-launch?

Zealous System provides ongoing support to ensure that your blockchain application operates smoothly and efficiently post-launch. We offer maintenance and support services to address any issues that may arise and to ensure the continued success of your application.

What is the cost of custom blockchain application development?

The cost of blockchain app development services can vary depending on the specific requirements of the business. However, it varies somewhere between $30000 to $90000. Zealous System provides a detailed quote based on the scope of the project, the features required, and the complexity of the development work.

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