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Polkadot Blockchain Development Company

Embrace the web3 with Polkadot blockchain development services to power businesses by launching interoperable dApps and custom blockchains for cross-chain computation and arbitrary data transfer. We have expertise in building Polkadot Parachains, Relay chains and pallets on the Substrate framework using Rust programming language.

Polkadot Development Service

Fullstack Developers

Digital Solutions

Blockchain Projects

Total Years of Experience

Our Polkadot Blockchain Development Services

Software Development

Parachain Development

We specialize in custom parachain development that provides shared security and on-chain governance. From slot leasing to building and launch, we provide complete parachain end-to-end modeling. We can also take parachain development projects in Kusama to test different ideas before we send them to Polkadot.

Software Development


Our Polkadot and Substrate consultancy services help you ideate the right parachain model for your business, including its runtime logic and economy, to meet your business requirements.

Software Development

Smart Contract Development

We develop smart contracts for all types of parachains that support arbitrary state transitions. These smart contracts are supported by the substrate Framework and are written using Parity’s ink.

Software Development

Substrate-based dApp development

From DeFi apps, digital wallets, IoT applications, and gaming apps to Web3 Infrastructure, we build and deploy a range of interoperable dApps as parachains using a multi-chain Substrate-based framework.

Software Development

NFT Marketplaces

Well-versed in parachain development kits like Substrate and Cumulus, SDKs, and other Polkadot tools, we develop and launch interoperable NFT marketplaces to support NFT projects.

Software Development

Decentralized exchange (DEX)

Using Polkadot’s Web3 ecosystem, we build interoperable DEX platforms using a multi-chain Substrate framework, facilitating the seamless exchange of tokens and cryptocurrencies across multiple parachains.

Polkadot Architecture

TThe Polkadot ecosystem is a network of parachains and parathreads connected to the Relay Chain. These parachains can connect to external networks using interoperable bridges.

Polkadot Technology Stack


Polkadot Runtime

The Polkadot runtime environment is developed using Rust, C++, and Golang, which makes Polkadot development more adaptable for developers.



WebAssembly is a powerful virtual environment that compiles Polkadot’s state machine.



The Substrate is the backbone of the Polkadot. This open-source framework allows for the instant build and deployment of custom blockchains on the Polkadot network.



Libp2p provides a customizable framework to enable cross-platform peer-to-peer applications. Libp2p is the template for all future dApps.

Why Choose LeewayHertz for Polkadot Development Services?

Software Development

SDKs and Framework Expertise

Our developers are well-versed in Polkadot-specific PDKs, frameworks, tools, programming models, and languages like Parity’s ink.

Software Development

Ecosystem Development

Our developers are well-versed in the intricacies of the Polkadot ecosystem and Substrate framework, having experience in creating tools and utilities for various blockchain ecosystems as community developers.

Software Development

Wide Experience with Projects

We have conceptualized, built, and delivered more than 500 digital solutions and 30+ robust blockchain projects.

Software Development

Impressive Work Portfolio

We have a diverse portfolio that includes everything from building supply chains and monetary systems on blockchain to developing ready-to-deploy NFT solutions.

Software Development

One-Stop Blockchain Services

We are the one-stop destination for all blockchain development services, from simple wallet development solutions to elaborative DeFi platforms or NFT marketplaces.

Software Development

Long-Term Collaborations

Through our partner program, we build scalable relationships with our clients and help them expand their market presence, client reach, and technology capabilities.

Why Choose Polkadot Protocol for Your Next Blockchain Project?

Easy Blockchain Innovation

You can create a custom blockchain within minutes with the Substrate framework. Besides, you can connect your chain to Polkadot for interoperability, security and convenience from day one.

Transactional Scalability

Polkadot enables a common set of validators to secure multiple blockchains, enabling unprecedented economic scalability. Polkadot allows for transactional scalability by distributing transactions across multiple parallel blockchains.

Secure and resilient network

Polkadot’s original GRANDPA consensus is used to create a stronger and more resilient network. GRANDPA can complete blocks almost instantly when there are good network conditions.

High Energy Efficiency

Polkadot uses a fraction of conventional blockchains’ energy, thanks to its next-generation nominated proof-of-stake model. It has the lowest carbon footprint of all proof-of-stake protocols analyzed in the latest research.

True Interoperability

Polkadot allows the cross-blockchain transfer of any data or asset, and it enables interoperability by allowing you to connect to various blockchains within the Polkadot network.

Secure cross-chain communication using XCM

Polkadot is the leader in XCM, which allows different blockchain designs to exchange arbitrary code, data, and value securely. This helps develop cross-chain services and apps to leverage the benefits and features of various chains.

Our Blockchain Development Work


Web3: File Retrieval Dashboard

FileCoin Dashboard: A Web3 File Retrieval Network Monitoring Dashboard for the FileCoin Users

A dashboard for the Web3 Content Delivery Network (CDN) that lets Filecoin users stay informed on the performance of the best file retrieval networks. This platform helps to gather and analyze data from several data sources and displays real-time performance indicators on a detailed dashboard that is simple to grasp.

Software Development


Monetary System on the Blockchain

We built a comprehensive monetary system on the blockchain that facilitates the storage and trading of digital currencies into a wide range of crypto and fiat pairs across the globe, all from one simple interface. We helped our client redesign the user interfaces of their website, create the node monitoring dashboard, update the stellar core version, and provide maintenance services to ensure that the platform is up and always running.

NFT Marketplace Solution


NFT Marketplace Solution

We have built a custom ready-to-deploy NFT Marketplace Platform to allow users to launch their own NFT marketplace platform and drive users to convert their unique assets into NFTs. The platform offers seamless options for both technical or non-technical users to buy/sell NFTs.

NFT Marketplace Solution

Big Brands Trust Us


Our Engagement Models

Digital Transformation Services LeewayHertz

Dedicated Development Team

Our developers leverage cutting-edge cognitive technologies to deliver high-quality services and tailored solutions to our clients.

Dedicated software development team LeewayHertz

Team Extension

Our team extension model is designed to assist clients seeking to expand their teams with the precise expertise needed for their projects.

Dedicated software development team LeewayHertz

Project-based Model

Our project-oriented approach, supported by our team of software development specialists, is dedicated to fostering client collaboration and achieving specific project objectives.

Get Started Today

1. Contact Us

Fill out 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.