Find blockchain development companies that build secure, scalable solutions for real business use. Choose from vetted experts in smart contracts, dApps, and enterprise blockchain integration. 

  • Get the remote workforce you need and hit your business traction.

    Premier Headhunting and Business Process Outsourcing Company in the Philippines...

    Location
    Manila, Philippines
    Number of Employees
    Under 49
  • We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • From Pixels To Paperwork, We've Got You Covered

    Andro Buddy Technologies Pvt. Ltd. is a forward-thinking tech company specializing in AI, Web3, and mobile application development. Recognized under the Startup India program and ISO IAF 27001:2022 certified, we design scalable, secure, and future-ready solutions for global clients. From cutting-edge apps to...

    Location
    Kolhapur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • AI-native engineering partner. Building what's next.

    Lampros Tech is an AI-native engineering partner for product-driven teams that need to ship production-grade AI systems, scalable software, and blockchain infrastructurewithout compromising architecture or accumulating technical debt...

    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • A Creative Technology Company

    WOLFx is a full-service technology company with an expert team that specializes in Digital Transformation. We provide a wide range of services including UI UX, Website Development, Mobile App Development, Digital Marketing, and IT Consultancy...

    Location
    Mumbai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Tan θ Software Studio: Building the future of blockchain, one line of code at a time.

    Tan θ Software Studio is a Custom Blockchain Development Company. We are a team of 30+ young engineers to build MVPs for startups and Enterprise Solutions...

    Location
    Surat, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
  • Your Partner In Decentralized Solution

    Webcom Systems is a software development company in India offering Software and web development services for Blockchain, MLM software, Digital Exchange, ICO. Get Best software and app development solution from Top IT Company in India...

    Location
    Mohali, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
  • Driving Digital Transformation With AI And Blockchain

    Beelockchain is a software development and digital transformation company specializing in AI and blockchain-integrated solutions that help businesses build scalable, secure, and high-performing digital solutions...

    Location
    Madurai, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
  • In Pace with your business.

    We keep a high velocity in our work to match the pace of your business and help them grow along because we value growing together...

    Location
    Kathmandu, Nepal
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
  • Programming ideas.

    Deftsoft is a premier IT service provider since 2005. We cater to a broad spectrum of enterprises and business organizations to yield revenue-centric results. Our expertise includes AEM development, Blockchain and Metaverse development, mobile and web app development, and digital marketing services...

    Location
    Mohali, India
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
  • Delivering Digital Excellence

    Mathionix Technologies is an experienced IT Solutions Company delivering cloud services, Salesforce solutions, AI development, DevOps, UI/UX design, and custom web and mobile app development. We build secure, high-performance digital systems that help businesses improve operations...

    Location
    Jaipur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Todays Ideas, Tomorrows Solutions

    Magesol is a software development company specializing in custom web, eCommerce, mobile, and enterprise application development using open-source technologies and modern development frameworks. With over 17 years of industry experience, the company delivers tailored software solutions that help businesses...

    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
  • Your Partner in Intelligent, Scalable Web and Mobile App Solutions with AI

    Shri Genesis Software Solutions provides customized web design, web development, software, and mobile application development services at competitive prices. They believe in delivering the best possible value to their clients without compromising on quality, and offer full after-sales support. They are a...

    Location
    Jaipur, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
  • Transforming Great Ideas Into Great Software

    BinaryFolks is a global leader in custom software development and mobile app development with an aim to provide tailored services with a specific focus on Enterprise Application Development, Web Application development and SaaS based Application development...

    Location
    Kolkata, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Portfolios Count
    3 Projects Listed
  • Build Smarter, Faster Web Applications

    We specialize in developing advanced AI, Web and Blockchain solutions that integrate seamlessly with robust web platforms, empowering businesses to automate, innovate, and scale effectively. We blend creativity with technical expertise...

    Location
    Mangaluru, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
  • Engineering The Future

    Webmob Software Solutions is a Swiss-based technology company specializing in blockchain, AI, and Web3 development. With 9+ years of experience and ISO-certified delivery, Webmob builds real-world asset tokenization platforms, conversational AI systems, DeFi solutions, and custom software for startups and...

    Location
    Mohali, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Code That Converts. Delivering Custom AI, SaaS, & Full-stack Webs & Apps Solutions

    DevSell is a premier web and app development agency led by a founder with over 5 years of full-stack development experience. We specialize in building custom software, SaaS platforms, and advanced AI automation workflows using tools like n8n. Beyond custom code, we offer comprehensive digital transformation...

    Location
    Dajal, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • We Are Your Technology Partner

    Tech Implement is a custom software and CRM solutions company with 15+ years of experience helping businesses streamline operations and scale. We specialize in Dynamics 365, Salesforce, AI, and automation, delivering 100+ projects for clients across multiple industries worldwide...

    Location
    Lahore, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
  • Empowering Your Vision With Cutting-Edge Technology and Exceptional Service

    Decotechs is a full-stack software agency helping startups and enterprises bring their product ideas to life. We specialize in MVP development, web and mobile app development, and team augmentation. From healthcare to logistics and e-commerce, our team delivers scalable, high-performance solutions with speed...

    Location
    Karachi, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Innovative Web & Mobile App Development Company

    We create web and app solutions that stand out. Got an idea? Lets make it happen! Our expertise extends across Android, iOS, React Native, and React JS, ensuring your project shines on any platform. Lets bring your digital vision to life with cutting-edge technology...

    Location
    Bhavnagar, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Equate IT For All

    We help you convert your idea and thought to IT product. We also help you to establish IT infrastructure, setup automated business operations and provide technical support...

    Location
    Pune, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering Tomorrow with Digital Innovation

    SUF Digital is a global technology company specializing in AI, blockchain, digital assets, product engineering, data, cloud, and enterprise software. We build scalable, future-ready digital platforms and intelligent systems for businesses worldwide...

    Location
    Karachi, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $1,000 - $10,000
  • Building The Future Of Digital Innovation

    At Discover WebTech, we help businesses unlock their full digital potential. Our expertise spans SEO, business analytics, conversion rate optimization, AI tool integration, A/B testing, web development, and marketing...

    Location
    Indore, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Innovative Software Solutions For A Smarter Tomorrow

    SaaS is a cloud-based software model that gives businesses instant access to powerful tools without the hassle of installation, maintenance, or upgradesscalable, secure, and ready to grow with you...

    Location
    Gurgaon, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $25,000 - $50,000
  • Where Technology Meets Excellence

    We are a premier Information Technology company providing web enabled and software services to wide variety of clients. Our services include Web Application Development, Offshore Software Development. We harness the power of cognitive computing, cloud, analytics and emerging technologies to help our clients...

    Location
    Pune, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Designing Possibilities, Developing Solutions

    Shriram IT Ventures is a Greater Noida-based product engineering company that has been delivering custom software, AI solutions, SaaS platforms, mobile applications, and cloud systems since 2016. The company serves clients across the US, UK, UAE, Canada, Australia, and India, with more than 120 products...

    Location
    Greater Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Empowering Businesses With Intelligent Innovation

    At Aideas Tech Solutions, we are driven by a simple belief great ideas deserve intelligent execution. By combining innovation with advanced technologies, we empower businesses to move beyond traditional approaches and embrace smarter, more efficient digital solutions...

    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Your Partner In Digital Transformation

    Mkaits Technologies is a leading IT Firm committed to delivering a range of services that span the entire spectrum of IT Industry. Since 2019, we have specialized in providing Blockchain solutions, AI & Machine Learning, Big Data Analytics, Web & Mobile development, E-commerce, and Custom Software Solutions...

    Location
    Islamabad, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
  • Engineering the Digital Future With AI Precision

    Hastree Technologies helps startups and businesses build practical digital products with AI integration, mobile app development, and custom web development. We develop apps for iOS, Android, macOS, watchOS, tvOS, and the web, from MVPs to full-scale production systems. Our team focuses on clean engineering...

    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • We Loom Tech You Boom Online

    Tekloomy (OPC) Private Limited is a digital agency helping businesses grow through tech and design. Its mission is to turn ideas into high-performing digital products. It empowers startups and enterprises to build strong online presence. Process: discovery, design & build, launch & support. Known for fast...

    Location
    Tirupati, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Engineering Software That Powers Business Success

    Softean is a software development company delivering scalable, secure, and intelligent digital solutions for startups and enterprises worldwide...

    Location
    Madurai, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Your Vision, Our Digital Craft

    Dignizant Technologies LLP digital marketing services are designed to help businesses build a strong online presence, attract the right audience, and drive measurable growth...

    Location
    Surat, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • DigiOxide Technologies Private Limited | Custom & AI Software Development Company

    Digioxide Technologies Private Limited is a custom software development company specializing in enterprise software, SaaS platforms, AI-powered systems, and scalable digital transformation solutions. The company focuses on building secure, cloud-native applications for startups, SMEs, and enterprises...

    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
  • Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Location
    Lucknow, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Let The Innovation Flow

    Clarisco Solutions is a full-stack technology development company with deep expertise in AI, blockchain, and fintech engineering. We work with startups, scale-ups, and enterprises to build products that work to top industry standards...

    Location
    Madakkulam, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Go-To Partner for Website and Mobile App Development.

    OpenGenX Technologies is a trusted digital solutions provider offering custom software, mobile app, and web development. Leveraging modern technologies like React, Node.js, and cloud platforms, they deliver scalable, high-performance solutions. Known for their agile process, timely delivery, and flexible...

    Location
    Madurai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Design Develop Deliver

    Siliconplex is a full-service tech company offering mobile app development, web solutions, AI services, and team augmentation. We build smart, scalable, and budget-friendly digital products that align with your goals...

    Location
    Karachi, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Let's Build Your Digital Future Together

    Alive Inc. is a creative tech powerhouse delivering tailor-made digital solutions from smart websites and sleek apps to branding, UI/UX, and enterprise tools empowering brands to thrive in a connected world...

    Location
    Navi Mumbai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
  • We Build Smarter Software With AI Powered by Claude AI

    Web App, Mobile App, AI Integration & Automation, Reliability Modeling & Simulation Solutions for Pulp Mills, MVP & Rapid Prototyping...

    Location
    Madurai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • One Stop Solutions for all your development needs.

    Hire full stack developers from a top-notch tech company called Hire FullStacks & get next-gen web and mobile app development solutions...

    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Appfodev is a forward-thinking software development company.

    Appfodev is a forward-thinking software development company that transforms ideas into innovative digital solutions. With expertise in cutting-edge technologies, we specialize in building custom apps, intelligent systems, and scalable platforms tailored to drive growth and enhance user experiences. Our...

    Location
    New Delhi, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
  • Think AI Build Bold Analyze Deep

    At Siffrum, we don't just build technology we craft intelligent solutions that drive smarter, faster growth. As a full-stack IT and Software company with a dedicated Data Science wing, we blend innovation with strategy to deliver measurable results. From AI-powered analytics and custom software to scalable...

    Location
    Srinagar, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Driven by Innovation

    AR Tech Solutions we believe in Innovation, customer-centricity, integrity & sustainability. We work tirelessly to stay ahead of industry trends and deliver cutting-edge solutions that help our clients succeed in a rapidly changing world. Our service range includes Implementation, Support, Training, Upgrade...

    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Trusted By Industry Leaders Worldwide

    Rank2AI is an AI-native growth agency helping brands win in modern search. We combine advanced SEO, performance marketing, and AI-led strategies to drive visibility, qualified leads, and scalable revenue across global markets...

    Location
    Mohali, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Turning Ideas Into Impact Through the Power of Code

    Whether you're looking to develop custom web and mobile applications from scratch or enhance your existing system with unique features and functionalities, Codegrin Technologies offers all the solutions you need under one roof...

    Location
    Rajkot, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
  • Your AI Tech Partner

    Tron AI is a USA-based software development company with an R&D team in Eastern Europe. Founded by experienced developers from Fortune 100 corporations, we deliver custom software solutions using cutting-edge technologies and end-to-end development practices...

    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Partner In Expert iGaming Solutions

    Solvebyte delivers IT Software Solutions & iGaming platforms worldwide. We specialize in Web & App Development, Casino, Sportsbook, Lottery, API, CRM & PAM systems. 50+ global brands trust us to build, launch & scale...

    Location
    Indore, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • From Idea's to Empires.

    NavikX is a consulting-led software and digital systems company building custom solutions for startups, SaaS platforms, and growing businesses globally. We specialize in custom software development, AI integration, automation systems, mobile apps, IoT platforms, CRM/ERP tools, Websites...

    Location
    Noida, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Shaping The Future Growth Of Business

    Pelicans Technologies is a leading Custom Software Development Company based in Ahmedabad, India. With over 12+ years of experience delivering world-class digital solutions, we specialize in creating cutting-edge technologies tailored to meet the unique needs of businesses, ranging from startups to large...

    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Leading Digital Agency Driving Digital Transformation

    At Websphere Hub, we believe every business deserves a powerful and meaningful digital presence. As a trusted digital transformation agency and IT consulting company, we bring together skilled developers, designers, and strategists who transform ideas into impactful digital solutions...

    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr

7 Frequently Asked Questions About Blockchain Development Companies

What services do blockchain development agencies offer?

Blockchain development agencies design, build, and support blockchain-based solutions that automate processes, improve transparency, and enable secure digital transactions. 

Common services include: 

  • Smart contract development and auditing: Writing self-executing code and reviewing it to prevent bugs, exploits, or costly failures  
  • dApp development: Building decentralized apps that run on blockchain networks instead of centralized servers  
  • Token development and NFT platforms: Creating digital tokens, cryptocurrencies, and marketplaces for trading assets  
  • Blockchain integration: Connecting blockchain with existing systems like web apps, enterprise software, or cloud platforms  
  • Private and enterprise blockchain solutions: Setting up custom networks for businesses that need control, privacy, and scalability  
  • Blockchain consulting: Advising on use cases, architecture, and whether blockchain is the right fit  
  • Wallet development: Building secure wallets for storing and managing digital assets  
  • Maintenance and support: Monitoring performance, fixing issues, and updating systems after launch 

What platforms do blockchain developers use?

Blockchain development firms use a mix of public networks, enterprise platforms, and developer tools to build, deploy, and manage blockchain solutions. They choose platforms based on speed, cost, scalability, and whether the project needs a public or private network. 

Key platforms and networks: 

  • Ethereum: The most widely used platform for smart contracts and decentralized applications  
  • Solana: Built for high speed and low fees, often used for scalable dApps and marketplaces  
  • Avalanche: A flexible platform that supports custom blockchain networks and fast transaction finality  
  • Hyperledger Fabric: Designed for private, permissioned systems used by enterprises  
  • Corda (R3): Common in finance and regulated industries where data privacy is critical  
  • IBM Blockchain: Enterprise-grade solution built on Hyperledger for secure business use cases  

Development tools and infrastructure that blockchain development agencies use: 

  • Node providers (e.g., Alchemy, Infura, QuickNode): Give developers access to blockchain networks without running their own nodes  
  • Smart contract tools (e.g., Remix IDE): Used to write, test, and deploy contract code  
  • Frameworks and CLIs (e.g., Ignite CLI): Help set up and manage blockchain projects faster 

How much do blockchain companies charge for their services?

Blockchain development companies typically charge from $40,000 to $300,000+ for a full solution, depending on complexity, features, and security requirements. 

Cost by project complexity 

The biggest cost driver is the solution's complexity, from basic smart contracts to full-scale platforms. 

  • Simple blockchain apps: $40,000 to $60,000 
    Basic features like simple smart contracts or payment functionality  
  • Mid-level applications: $60,000 to $150,000 
    dApps with user roles, integrations, and moderate decentralization  
  • Complex blockchain systems: $150,000 to $300,000+
    Enterprise platforms, advanced security, custom architecture 

Cost by solution type 

Different blockchain products have different price ranges based on functionality. 

  • dApps: $35,000 to $150,000  
  • NFT marketplaces: $55,000 to $125,000  
  • Crypto wallets: $125,000 to $200,000  
  • Crypto exchanges: $135,000 to $190,000  
  • DAO platforms: $10,000 to $30,000 

Cost breakdown across the project 

Your budget is split across multiple phases, not just development. 

  • Consulting and planning: 5%  
  • UI/UX design: 10%  
  • Core development: 45%  
  • Testing and QA: 25%  
  • Deployment and maintenance setup: 15% 

Final pricing depends on scope, security level, integrations, and whether you build on an existing blockchain or create a custom one. 

What are the ongoing costs of maintaining a blockchain solution?

Ongoing blockchain costs typically range from 15% to 25% of the initial development cost per year, depending on system complexity and usage.  

Key ongoing costs include: 

  • Maintenance and updates: Bug fixes, performance improvements, and feature upgrades  
  • Infrastructure: Node providers, cloud services, and storage as usage grows  
  • Security: Regular audits, monitoring, and protection against vulnerabilities  
  • Transaction fees: Ongoing network or gas fees for processing transactions  
  • Support and operations: Technical monitoring, DevOps, and user support  
  • Compliance: Legal, regulatory, and data protection requirements  

Costs increase as the system scales, handles more transactions, or requires higher security. 

How long does it take to build a blockchain solution?

The best blockchain development company typically needs 3 to 9+ months to build a blockchain solution, depending on complexity, features, and security requirements. 

Typical timeline by complexity: 

  • Simple solutions: 1 to 2 months 
    Basic wallets or simple smart contract apps  
  • Mid-level projects: 2 to 4 months 
    dApps with integrations and user functionality  
  • Complex systems: 4 to 9+ months 
    DeFi platforms, marketplaces, or enterprise solutions  

Blockchain development agencies build products in stages, and each is adding time: 

  • Planning and requirements: 1 to 2 weeks  
  • Architecture and design: 2 to 4 weeks  
  • Development: 1 to 6 months  
  • Testing and QA: 2 to 4 weeks  
  • Deployment: 1 to 2 weeks 

Factors that affect the timeline include scope and feature set, choice of blockchain platform, team experience, and whether you build from scratch or use existing tools.

What is the difference between public and private blockchains?

Public blockchains are open to anyone, while private blockchains are restricted to approved users and controlled by an organization. 

You can see the main differences in the following table: 

FeaturePublic blockchainPrivate blockchain
AccessAnyone can joinPermission required
ControlDecentralizedControlled by one entity or group
TransparencyFully transparentLimited visibility
SpeedSlowerFaster
CostHigher (transaction fees)Lower
SecurityHigh through decentralizationHigh, but depends on governance
Use casesCrypto, DeFi, NFTsEnterprise systems, internal operations

How do blockchain development agencies ensure security?

Blockchain development firms ensure security by combining secure coding, testing, and continuous monitoring to prevent vulnerabilities and protect data and transactions. 

Key security practices include: 

  • Smart contract audits: Reviewing code to detect bugs, exploits, and logic flaws before deployment  
  • Secure development practices: Using proven frameworks, code standards, and peer reviews  
  • Encryption and key management: Protecting data with cryptography and secure storage of private keys  
  • Testing and simulation: Running stress tests and attack scenarios to identify weaknesses  
  • Access control: Limiting permissions and enforcing authentication for users and systems  
  • Ongoing monitoring: Tracking activity, detecting threats, and applying updates or patches quickly  

Security is built into every stage, not added after deployment. 

 

 

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