Blockchain development

Cowchain is a full-stack Web3 development company with 50+ developers, designers, and blockchain experts across Europe.
120+ projects delivered – from MVPs to ecosystems with millions of users. We’ve helped clients manage $180M+ in total market cap and $20M+ in daily trading volume.

Key Achievements:
▫️RetroBridge – cross-chain bridge with 30+ integrations
▫️AGNT Hub – AI-powered Web3 execution layer inside X (Twitter)
▫️StepApp – Move2Earn ecosystem with 9M+ users
▫️Pixelverse – Telegram-based gaming ecosystem with 45M+ users
▫️GBC DAO (GMX) – largest GMX-focused DAO
▫️TENET – Layer 1 blockchain built on Cosmos SDK
▫️Hybrid – Ethereum-based Layer 2 with AI agents
▫️Raiser – premium launchpad platform
▫️BRC20.com – first launchpad for Ordinals
▫️Launchpads raising tens of millions in days
▫️L2 testnets with hundreds of millions of transactions
▫️Telegram bots & mini-apps with 1M+ MAU
▫️Crypto banking projects with no-KYC cards and fiat rails

Services We Offer:
🛠 Development – Full-cycle blockchain dev: smart contracts, front/back-end, integrations
⚙️ DevOps – Post-launch support, scaling, optimization
🛠 Ready-made solutions – Pre-built modules for faster deployment
🔐 Security – Smart contract audits, secure architecture
🎨 Design – UI/UX tailored for Web3
🧩 Consulting – Tokenomics, product strategy, project direction, web3 marketing
🤖 Web3 projects with integrated AI solutions
💳 Neobank solutions – apps with no-KYC crypto cards and fiat rails

Tech Stack:
🖥 Front-end: React.js, Next.js, JavaScript, Tailwind CSS
🔧 Back-end: Node.js, Express, Nest.js, Microservices
🗄 Databases: MongoDB, MySQL, PostgreSQL
💎 Blockchain: Ethereum, Polygon, Avalanche, Solana, BSC, Bitcoin, TON, Near
☁️ Cloud: AWS, Azure, Google Cloud
⚙️ Infra: Docker, Kubernetes, TheGraph (Subgraphs), event indexing

Cowchain – let’s make web3 tech work for you.

Website - cowchain.io
Email - [email protected]
Telegram - @Inna_Cowchain_PRM

Certifications/Compliance

ISO 9001:2015
ISO 27001
CMMI Level 2
CMMI Level 3
CMMI Level 4
CMMI Level 5
Great Place To Work
Poland Poland
Tytusa Chalubinskiego 8, Warsaw, Warsaw 00613
+48570254190
$50 - $99/hr
50 - 249
2021

Service Focus

Focus of Blockchain Development
  • Smart Contract Development - 25%
  • Private Blockchain Development - 5%
  • Ethereum - 5%
  • Hyperledger - 5%
  • ICO Consulting - 10%
  • Cryptocurrency Exchange - 10%
  • Wallet Development - 15%
  • Solidity - 10%
  • Blockchain Consulting - 5%
  • NFT Token Development - 5%
  • NFT Marketplace Development - 5%
Focus of Web3
  • DApp Development - 25%
  • DeFi Development - 25%
  • Multi Chain App Development - 25%
  • Web3 Development - 25%
Focus of Software Development
  • Javascript - 15%
  • Node.js - 15%
  • ReactJS - 15%
  • MongoDB - 10%
  • Redis - 10%
  • Rust - 20%
  • TypeScript - 15%

Industry Focus

  • Financial & Payments - 20%
  • Gaming - 20%
  • Startups - 20%
  • Banking - 20%
  • Real Estate - 15%
  • Other Industries - 5%

Client Focus

70% Small Business
30% Medium Business

Detailed Reviews of Cowchain

5.0 1 Review
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Anna Korobkyna
Anna Korobkyna, Business Development Manager at Protectimus Limited
Posted 2 days ago

Professional, high-speed execution with a deep understanding of Web3 architecture and product logic.

Working with Cowchain was a seamless experience. They took our core concept and helped translate it into a scalable product. Their team handled everything from smart contract security to a responsive frontend. We were particularly impressed by their ability to handle high-traffic spikes and ensure a smooth wallet-based onboarding for our users.

What was the project name that you have worked with Cowchain?

Web3 Ecosystem Development & Smart Contract

What service was provided as part of the project?

Software Development, Blockchain Development, Web3

Describe your project in brief

We partnered with Cowchain to build a comprehensive Web3 platform that included a tokenized rewards system, high-load backend, and a custom admin panel for managing on-chain data and user tiers.

What is it about the company that you appreciate the most?

Their "product-owner" mindset. They don't just follow tickets; they care about business value and scalability. Communication via Slack and weekly syncs was proactive and transparent.

What was it about the company that you didn't like which they should do better?

Nothing major to report. The project went very smoothly. Adding more automated QA reports during the mid-sprints could be a small future upgrade, but the final delivery was flawless.

Rating Breakdown

  • Quality
  • Schedule & Timing
  • Communication
  • Overall Rating

Project Detail

  • $10001 to $50000
  • Completed
  • Information Technology