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Top Blockchain Technology Companies California | Top Blockchain Developers California

  • Labrys

    Australia's Largest Blockchain Development Agency
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    Labrys is a leading Australia-based blockchain solution development company that creates Web 3.0 technologies and blockchain infrastructure to reform existing business processes. It mainly specializes in NFT development, blockchain consulting, integrations, POC and token development, enterprise blockchain development, ... read more about Labrys

    "Reliable, best-practice blockchain development from an honest and approachable team"
    Lachlan Craigie, Co-Founder at PxQuest
    $100 - $149/hr
    10 - 49
    2017
    San Francisco, California
  • OpenXcell

    Product Development Partner for SMBs & Enterprises
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    Incorporated in 2009 and headquartered in the USA, OpenXcell is a top-notch blockchain development company that builds innovative blockchain-based apps and services.  With a diversified clientele like John Hopkins University, Renault Nissan Mitsubishi alliance, Cin 7, Ajman bank, and more, Openxcell provides a com ... read more about OpenXcell

    "We have had a great experience working with OpenXcell. "
    Ansh Jain, Co-founder and Chief Technology Officer at Dukaan Dost
    < $25/hr
    250 - 999
    2009
    San Francisco, California
  • SoluLab

    Blockchain | Metaverse | DigitalTranformation | AI
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    With over 1500+ completed projects and 500+ happy clients, Solulab is a top-notch, experienced blockchain developer in the US for building Blockchain Games, Ethereum Token, Web 3.0, and Defi. Solulab is a popular name in blockchain app development and protocol development, dApps development, blockchain-powered Metavers ... read more about SoluLab

    "AI App"
    Elias Tsoukatos, Director Ejecutivo (aiMonkey) | Estratega Comercial y Gerente de Planificación - Oficial de Desarro at aiMonkey
    $25 - $49/hr
    250 - 999
    2014
    Los Angeles, California
  • Quytech

    Mobile App/AI/Game/Blockchain Development Company
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    Quytech is a leading blockchain application development company delivering customized solutions for startups and established businesses. The company offers a wide range of tailored services, such as building Smart Contracts, Hyperledger development, Ethereum apps, Cryptocurrency Exchange, Open Chain, Cryptocurrency Wal ... read more about Quytech

    "Extraordinary Blockchain Development Partnership"
    Konrad Billetz, Founder at Outliant
    < $25/hr
    50 - 249
    2010
    Walnut, California
  • Cubix

    Award Winning Software Development Company
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    Cubix is a US-based leading blockchain development company that serves in over 50+ countries, and its talent squad of 250+ employees has expertise in providing customized and robust blockchain solutions to businesses globally. The company specializes in the blockchain supply chain, decentralization, E-wallets platform, ... read more about Cubix

    "Good product can be use"
    Rofli Nasuha, Product Executive at Resonet Sdn. Bhd.
    < $25/hr
    50 - 249
    2008
    Los Angeles, California
  • Idealogic

    Custom software development for startups
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    Idealogic is a top-rated blockchain technology company with 10 years of rich experience. The company is known for offering pre-designed and white-label custom blockchain solutions for e-wallets, crypto exchange, and DeFi platforms. It uses blockchain applications to build the latest technology stacks, including Solidit ... read more about Idealogic

    "Idealogic provided outstanding software development for my real estate services company with excellent value. "
    Jon Pierowicz, Counsel at VeriTX
    $25 - $49/hr
    50 - 249
    2016
    Los Angeles, California
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  • Suffescom Solutions Inc

    Blockchain | NFT | Web3 | Crypto | Wallet
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    With nearly 5 years of experience in blockchain technology, Suffescom Solutions Inc has become an established blockchain development services company that has successfully delivered individual and enterprise projects, like NFT Marketplace, Play2Earn gaming platform, cryptocurrency-based platforms, token creation, crypt ... read more about Suffescom Solutions Inc

    "Suffescom Solutions: Our Trusted Partner for App Enhancement"
    Marvin Giles, Application Support Specialist at MumuTeam at MumuTeam
    $25 - $49/hr
    250 - 999
    2013
    California City, California
  • DxMinds Technologies Inc

    Product Engineering & Offshore Development Company
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    We are DxMinds Technologies, the fastest growing digital transformation company. We have our offices set up in the silicon valley of USA, India, Peru, UAE, and Australia. We master the art of developing cutthroat digital products and solutions leveraging state of the art technologies and best industry practices. Our in ... read more about DxMinds Technologies Inc

    "One of the best Blockchain & Ecommerce development company in Bangalore"
    MK Thakur, Senior Analyst at Accenture
    $25 - $49/hr
    250 - 999
    2018
    San Francisco, California
  • Errna.com

    Crypto | ICO | Exchange & Blockchain Software
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    Errna is a leading technology company specializing in the areas of niche technologies like blockchain consulting and development, cryptocurrency exchange development, smart contracts application development, digital tokens creation, ICO launching, and other related solutions. We have been helping businesses from all ... read more about Errna.com

    "Best Choice for Blockchain Development "
    Diana Rayan, Co Manager at Exeter Finance
    $50 - $99/hr
    250 - 999
    2015
    San Jose, California
  • Unicsoft

    Your Top-rated Vendor for Next-Gen AI Solutions
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    Unicsoft is a trusted blockchain development company with expertise in decentralized applications, DeFi, NFT, blockchain game development, play-to-earn/Web3 games, KYC/AML compliance solutions, and smart contract development and audits. The company builds custom blockchain solutions to drive cost-effective and profitab ... read more about Unicsoft

    "A breathe of fresh air! Best development team I've ever worked with"
    Jacqueline Dunnett
    $50 - $99/hr
    50 - 249
    2005
    Soquel, California
  • Primafelicitas

    A Blockchain Development Company
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    With Alums from Stanford & LBS, with 25+ years of experience in Technology & FinTech and now 5+ years in Blockchain, PrimaFelicitas houses one of the most powerful founding teams. Started in 2013 with offices in San Francisco, London, and Delhi, PrimaFelicitas is known for following their passion for ... read more about Primafelicitas

    "Highly experienced Blockchain development team"
    Joseph Lattin
    $50 - $99/hr
    50 - 249
    2013
    San Francisco, California
  • Blockstream was founded to develop new ways to accelerate innovation in crypto currencies, open assets and smart contracts. We're renowned architects of Bitcoin, cryptographers, cypherpunks, entrepreneurs, as well as leaders from the business, policy and the open source community. We believe in the potential of bit ... read more about Blockstream

    $25 - $49/hr
    10 - 49
    2014
    San Francisco, California
  • Block Cyper is based in California and provides BlockChain services. Our architecture allows us to run in multiple data centers for redundancy and low latency. Simple and easy web APIs enable developers to build blockchain applications quickly and confidently. Our modular, cloud-optimized architecture is enterprise-gra ... read more about Block Cypher

    "Worst After Sales Service"
    Saminuddin K, Project Manager at TeleOptima Global Mobile Ltd
    $25 - $49/hr
    10 - 49
    2012
    Los Angeles, California
  • Sara Technologies Inc.

    CRYPTOCURRENCY DEVELOPMENT COMPANY
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    Sara Technologies, Inc. is a provider of excellent Information Technology services in California, here to share our adept IT skills to meet our clients’ new-generation business needs. During the past 10 years, our company has catered to a broad spectrum of industries, organizations, and service sectors, including ... read more about Sara Technologies Inc.

    < $25/hr
    50 - 249
    2007
    San Diego, California
  • Crypto Bullion

    The Digital Precious Metal
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    Crypto Bullion (CBX) is a digital asset with all of the qualities of money. It employs a unique advanced security model which is exceptionally secure and efficient. The problems of today’s debt based fiat currencies find solutions in the cutting-edge decentralized cryptographic currency Crypto Bullion. Designed t ... read more about Crypto Bullion

    $25 - $49/hr
    10 - 49
    2013
    San Francisco, California
  • Chain

    Digitize with Chain Core
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    Chain is an infrastructure technology company that enables its partners to issue and transfer financial assets on permissioned blockchain networks. Chain has formed strategic partnerships with leading financial services firms like Nasdaq, Visa, Citi, Capital One and Fiserv. Chain Core Developer Edition is our free plat ... read more about Chain

    $25 - $49/hr
    10 - 49
    2014
    San Francisco, California
  • Skuchain

    Turn Information into Capital
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    Skuchain is a blockchain platform that provides transparency, security and efficiency to the supply chain, enabling optimal planning and agility for downstream buyers and working capital relief for upstream suppliers. With our breakthrough solutions, our customers access uniquely reliable information and turn it into c ... read more about Skuchain

    $25 - $49/hr
    10 - 49
    2014
    Mountain View, California
  • Loyyal

    The Internet of Loyalty
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    loyyal is the universal loyalty and rewards platform, built with blockchain and smart contract technology. It introduces interoperability to the currently fragmented industry, multi-branded coalitions, superior program liability management and dynamic issuance/redemption options customized for each unique relationship. ... read more about Loyyal

    < $25/hr
    2 - 9
    2014
    San Francisco, California
  • Blockchain Studioz

    Blockchain Development Solutions
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    Blockchain Studioz is a Blockchain development company in USA, renowned for offering customized and top-notch blockchain architectures globally. We established in 2015, is an emerging IT/ITES firm based in USA, providing successful IT services to their clients across the globe. We bring you a team of dedicated techn ... read more about Blockchain Studioz

    < $25/hr
    10 - 49
    2015
    Torrance, California
  • TheBlockBox

    Building Your Great Ideas on the Blockchain
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    TheBlockBox builds end-to-end blockchain applications for a wide range of industries, including finance, banking, supply chain, healthcare, transportation, digital identity, and advertising. We help businesses identify whether or not the blockchain is the right technology for their idea or project and help them un ... read more about TheBlockBox

    NA
    2 - 9
    2019
    San Francisco, California
  • Medicalchain uses blockchain technology to create a user-focused electronic health record whilst maintaining a single true version of the user’s data. Medicalchain enables the user to give healthcare professional access to their personal health data. Medicalchain then records interactions with this data in an aud ... read more about Medicalchain

    < $25/hr
    10 - 49
    2017
    Los Angeles, California
  • Akiri

    Trusted Netowrks for Health Data
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    Akiri and building trusted networks for health data is the lifeblood of the healthcare industry. No single challenge is more important to improving the efficiency or effectiveness of healthcare in the United States than transporting patient health data. How do you protect it? When can you share it? Who gets to use it? ... read more about Akiri

    < $25/hr
    10 - 49
    2017
    Foster City, California
  • ShipChain

    The end-to-end logistics platform of the future
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    Shipping is complicated. It shouldn't be. ShipChain is making transport and logistics more effective, secure and transparent by utilizing blockchain technology. It was founded with the mission of solving the greatest problems facing the logistics industry today. Our solution requires deep technology, but our vision ... read more about ShipChain

    < $25/hr
    10 - 49
    2017
    Los Angeles, California
  • TangoTrade

    Expanding global trade for businesses
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    TangoTrade expands global trade for small and medium sized businesses. For us, this means opening up new financing options, reducing risk for importers and exporters, taking the pain and complexity out of international trade, and applying the optimal technology like blockchain and smart contracts to solve these challen ... read more about TangoTrade

    < $25/hr
    2 - 9
    San Mateo, California
  • Openware, Inc.

    Trusted SaaS Blockchain Technology Solutions
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    Openware is the software engineering leader of the open-source blockchain ecosystem. Our full-stack products help Developers build next-generation DeFi apps and enable Enterprises to launch robust future-ready financial infrastructure. Openware, Inc. (San Francisco, California) has a mission to create a safe, tra ... read more about Openware, Inc.

    $100 - $149/hr
    50 - 249
    2006
    South San Francisco, California
  • BitExchange

    Cryptocurrency Exchange Script
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    Before starting to develop any new feature in this Bitcoin Trading Script, we always take the time to study the market's needs and requirements. This Crypto exchange software is always updated with the most recent market trends.We're a young but determined company built by a professional and enthusiastic team, ... read more about BitExchange

    NA
    50 - 249
    Los Angeles, California
  • Stobox Inc

    Top-tier Fintech and Tokenization services
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    Stobox is an award-winning tokenization company specializing in technology and consulting services to facilitate using digital assets and tokenized securities. With a commitment to revolutionizing financial technologies, the company focuses on making these technologies more efficient, accessible, and transparent. St ... read more about Stobox Inc

    NA
    10 - 49
    2018
    Los Altos, California
  • Rev3al Tech

    The Future of Digital Asset Protection
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    REV3AL Technology is a Digital Copyright Protection & Anti-Counterfeit Technology protects artists, creators, and owners of Intellectual Property across the digital spectrum and into the physical world. Known More about rev3al visit us - https://www.rev3al.io/

    NA
    2 - 9
    Calabasas, California
  • Blockchain Coders

    Hire Vetted Blockchain Developers
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    Blockchain Coders is a blockchain development company. Blockchain Coders are in high demand as Blockchain technology is becoming more and more popular. As a Blockchain Programmer, you would be responsible for coding and maintaining the Blockchain ledger. This would include creating new transaction blocks, verifyin ... read more about Blockchain Coders

    $50 - $99/hr
    50 - 249
    2020
    Agoura Hills, California
  • Blockchain Labs

    Building Practical Solutions
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    Blockchain Labs is one of the leading providers of blockchain technology solutions. We have built and operated COOV, South Korea's national blockchain-based COVID-19 vaccine passport that serves more than 43 million users and processed over 30 million verifications per day - this is by far the biggest and the most ... read more about Blockchain Labs

    NA
    10 - 49
    2014
    San Francisco, California
  • Dapplica

    We are experts in blockchain dApps development
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    DApplica is a blockchain development company building projects in the blockchain and cryptocurrencies industry. We are offering full development cycle for decentralized applications on different blockchains, as well as tokenization and technology consulting.

    "Great Blockchain Specialists"
    Roman Skaskiw, Co-Founder at CryptoLions
    NA
    10 - 49
    2018
    San Francisco, California
  • Cyber Infrastructure Inc.

    On mission to Enhance lives of Billions of users!
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    Our mission is to Empower and Enhance the lives of Billions of users through Profound technology solutions. We invite you to Think Big and join this movement as our Clients, Partners and Employees.   Our services are designed to take your business to the next level, re ... read more about Cyber Infrastructure Inc.

    "A good partner for webdevelopment and appdevlopment projects"
    Hendrik Schmidt
    < $25/hr
    1,000 - 9,999
    2003
    San Jose, California
  • HashCash is a global software company offering solutions in Blockchain, AI, Big Data, and IoT through its platforms, products & services. HashCash Blockchain products enable enterprises to move assets across borders in real-time for Remittances, Trade Finance, Payment Processing, and more. HashCash runs US-based di ... read more about HashCash Consultants

    "Paybito Experience"
    Raktim Dutta, Student at Heritage Institute of Technology at Binary Infosoft Pvt Ltd
    $50 - $99/hr
    50 - 249
    Palo Alto, California
  • BlockchainDevelopments

    Best Blockchain Development Company
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    At Blockchain Developments, we thrive on innovation. Being an idea-centric company, our main focus is the what and the how of the ideas you bring to us: what problems are you trying to solve and how can we make that happen. Integrating the latest innovations in our solutions is our guiding principle, be it blockchain t ... read more about BlockchainDevelopments

    $25 - $49/hr
    10 - 49
    2017
    Santa Clara, California
  • Avatar Blockchain

    Advancements in blockchain technology!
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    Block chain could literally change the world of commerce in the way the Internet has done. Avatar Block chain, A Technology Consulting Company , helps in working with technology, development services and providing solutions for businesses.

    $25 - $49/hr
    2 - 9
    2016
    Fresno, California
  • Radiologex

    Healthcare/Medical Blockchain Technology
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    Radiologex, Healthcare happens here; The next-gen all-in-one platform built specifically for Medical/healthcare industry. Global Healthcare spending continues to increase dramatically and is projected to reach $10.059 trillion by 2022, while the Healthcare Technology sector is projected to reach $280 billion by 2021 ... read more about Radiologex

    NA
    50 - 249
    2018
    Irvine, California
  • SDLC Corp

    Hire the Best Web and Mobile App Developers
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    SDLC Corp, the leading blockchain development company with over 5 years of experience, provides an extensive array of blockchain development services ranging from blockchain consulting and smart contracts to private and public blockchain development. The company’s comprehensive blockchain solutions include blockc ... read more about SDLC Corp

    "SDLC Corp Delivers Exceptional Mobile App Development for Icertis"
    Samir Bodas, Chief Executive Officer at Icertis at Icertis
    < $25/hr
    250 - 999
    2015
    San Francisco, California
  • Ambisafe

    Ethereum Asset Platform
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    Ambisafe's founding team has been pioneering cryptocurrency development since 2010. Our experience ranges from development of alternative consensus algorithms in 2010 to launching the first multi-currency wallet in 2014.

    < $25/hr
    50 - 249
    2015
    San Francisco, California
  • Evrone

    Web Design & Engineering Team
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    Evrone is an engineering company successfully delivering high-quality digital products for more than ten years.With extensive experience in wide range of modern software technologies, we are here to help you to design unique complex web projects and startups.

    "Top Notch Development Service done by Evrone Team"
    Lindsey McNabb Hover, Chief Marketing Officer at BBH USA
    $50 - $99/hr
    50 - 249
    2008
    San Francisco, California
  • Lamden

    Building Blockchains and Distributed Systems
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    Lamden has developed a unique blockchain from scratch that is designed for enterprise adoption. We can apply our existing technology to your business, or develop a completely unique system for your specific business needs. We also develop applications with Ethereum, Hyperledger, R3, Bitcoin, Rootstock, and more. ... read more about Lamden

    $100 - $149/hr
    10 - 49
    2017
    San Francisco, California
  • Aspired

    Elite. Remote Team. On-Demand.
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    Aspired helps its clients hire and build a remote autonomous dedicated team by carefully selecting the elite from the global pool of talent.  Our team of experts identifies new & emerging tech hubs and pair our top engineers with teams engaged in solving thought-provoking problems. We provide complete opera ... read more about Aspired

    "Outstanding service, exceeded my expectations. Highly recommended!"
    Tim Rice, Co-founding CEO at Coin Metrics at Coin Metrics
    $25 - $49/hr
    50 - 249
    2020
    Los Angeles, California
  • Blitz Mobile Apps

    Independent Design and Development Agency
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    Blitz Mobile Apps, leading mobile app Development company in USA, dives headfirst into today's dynamic market's challenges to provide robust, scalable, and outcome-oriented mobile app development solutions to help businesses scale. Blitz Mobile Apps is the top mobile app development company in USA, founded i ... read more about Blitz Mobile Apps

    "Exceptional Open Web Technology Expertise"
    Dimitrios Seintaridis, Software Engineer at Open Web Technology (OWT) at Open Web Technology (OWT)
    $50 - $99/hr
    50 - 249
    2008
    Santa Rosa, California
  • As a renowned software development company with 15 years of experience, LeewayHertz has designed and developed innovative and future-ready tech solutions for startups, scaleups and enterprises, generating billions in revenue and earning the trust of millions of users. Their extensive expertise spans AI, Web3 and other ... read more about LeewayHertz

    "Reliable , Ontime delivery"
    Manish Sehrawat, Centre Director at Aakash : Gurgaon & Udaipur Centres
    $100 - $149/hr
    250 - 999
    2007
    San Francisco, California
  • instinctools

    Dedicated Software Development Teams
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    *instinctools is a software product development and consulting company with headquarters in Germany and the USA. Powered by 350+ seasoned in-house professionals located in development hubs in Poland, Kazakhstan, and LATAM, we provide self-managed cross-functional dedicated teams to reduce development costs while inc ... read more about instinctools

    "The team delivers on time and within budget, proactively asking how to help the client and providing new ideas."
    Sebastian Belle, Head of Engineering at lawpilots GmbH
    $25 - $49/hr
    250 - 999
    2000
    San Francisco, California
  • Pacatum Inc.

    Unique Blockchain Solutions
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    Pacatum is a web development studio, founded in California in 2007. We are made up of ten professional designers, web developers, and QA specialists who are highly enthused about what we do. In a nutshell, we are a small, friendly company of uber coders, layout freaks, and design addicts, geeks who spend sleepless nigh ... read more about Pacatum Inc.

    $25 - $49/hr
    10 - 49
    2007
    Walnut, California
  • DIYBlockchain

    Fastest Growing Blockchain Company
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    DIYBlockchain has proved itself as a preeminent company in the blockchain space within a short period. We have a team of proficient blockchain strategists, UX/UI designers and blockchain developers who constitute the core of its services across US, Europe and APAC. We have a customer base that reaches beyond emer ... read more about DIYBlockchain

    $25 - $49/hr
    10 - 49
    2017
    Mountain View, California
  • Waverley is a software engineering company with dedicated development experts in Eastern Europe and Southeast Asia, which helps to build award-winning software products for both renowned tech giants and innovative startups. Waverley brings fresh ideas to organizations: from the software architecture to elegant web/m ... read more about Waverley Software

    "Top shelf offshore team: dedicated, capable, tenacious, and reliable"
    Rich Sadowsky, Head of Security & Privacy at Jibo, Inc.
    $25 - $49/hr
    50 - 249
    1992
    Palo Alto, California
  • Optymize

    Scale your teams one remote engineer at a time.
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    Optymize is a worldwide technical talent marketplace that connects companies with verified, remote engineers who have robust technical & communication skills and work in their timezone. A number of leading companies like Sidewalk Labs, RD&X, Yello and Planoly leverage Optymize to scale their engineering teams q ... read more about Optymize

    " Blockchain Development for an entertainment network & Full Stack Development services for Digital Marketing Company"
    Manish Kumaar, Risk Management & Loan Portfolio Management at at HSBC
    $50 - $99/hr
    10 - 49
    2020
    Santa Monica, California
  • Internxt

    Internxt is excitement, ambition, innovation.
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    Internxt Drive is an open-source, zero-knowledge, encrypted cloud storage service based on absolute privacy and security. Internxt cloud uses blockchain technology so people’s data and files are fully encrypted and secure. Internxt Photos is an app to store and share photos securely, and Internxt Send is a secure ... read more about Internxt

    "Good option if you need extra storage space to store files"
    Paula Lopez
    $25 - $49/hr
    10 - 49
    2017
    San Francisco, California
  • Applicature

    Let your blockchain initiatives succeed with us!
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    Applicature is a blockchain development agency focused on strategic consulting and implementation of Blockchain projects. We provide A-Z tokenization services: Marketing, technical strategy, concept, white paper, token mechanics, Blockchain architecture, suite of tokenization Smart Contracts, Investor dashboard and a w ... read more about Applicature

    < $25/hr
    10 - 49
    2017
    San Francisco, California
  • Zensoft

    software development, blockchain development
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    Zensoft is a 200+ professionals technology powerhouse building custom solutions, with clients from notable Silicon Valley startups and Fortune 500 companies. We are a bespoke software development company that provides innovative solutions tailored to the client’s business needs. Our delivery centers are located o ... read more about Zensoft

    $25 - $49/hr
    50 - 249
    2015
    Burlingame, California

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