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 Delivery Time

Our Blockchain App Development Services

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

Blockchain Consulting & Development

Blockchain Consulting & Development

  • End-to-end blockchain solutions for businesses of all sizes.
  • Identification of the best use case for your business and the right blockchain platform.
  • Tailored solution development to meet unique business requirements.
  • Ongoing support to ensure blockchain applications operate smoothly and efficiently.
Crypto Exchange

Crypto Exchange

  • User-friendly, secure, and scalable cryptocurrency exchange development.
  • Support for multiple cryptocurrencies and advanced security measures.
  • Integration of payment gateways, KYC/AML compliance, and other features.
  • Robust trading engine and anti-DDoS protection.
NFT Marketplace App Development

NFT Marketplace App Development

  • Customizable NFT marketplace development for creators, collectors, and artists.
  • Support for various types of NFTs, including artwork, music, and videos.
  • Integration of features such as auctions, bidding, and payment gateways.
  • User-friendly, secure, and seamless user experience.
Decentralized App Development

Decentralized App Development

  • Development of scalable, secure, and user-friendly decentralized applications.
  • Utilization of various blockchain platforms, such as Ethereum, EOS, and TRON.
  • Integration of smart contracts, tokenization, and other essential features.
  • Elimination of intermediaries and provision of a more secure and transparent platform.
Web3 App Development

Web3 App Development

  • Customizable web3 app development for a more open, transparent, and secure online experience.
  • Scalable, secure, and interoperable web3 app development.
  • Utilization of various blockchain platforms, such as Ethereum, Polkadot, and Cosmos.
  • Integration of decentralized identity, decentralized storage, and other essential features.
DeFi App Development

DeFi App Development

  • Development of scalable, secure, and user-friendly DeFi applications.
  • Support for various blockchain platforms, such as Ethereum, Binance Smart Chain, and Polygon.
  • Provision of financial services in a decentralized and transparent manner.
  • Integration of advanced features, such as decentralized lending, borrowing, and trading.
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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 Testing

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 Sports 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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Client Testimonials

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.

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.

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.

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