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Top United States Blockchain Companies (656)

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AdTech • Blockchain • Digital Media • eCommerce • Machine Learning • NFT • Web3
Carbondale, CO, US
120 Employees

SmartMedia Technologies (SMT) is reshaping the landscape of customer engagement and loyalty to help some of the world’s major enterprises to drive better business outcomes. SMT is the only complete end-to-end solution that bridges the gap between Web2 and Web3, making Web3 safe, easy and valuable for brands and fun, open and rewarding for consumers. Over 50 partners, including Accenture, Dentsu, NBA, PepsiCo, Unilever, Visa and WPP, leverage SMT’s enterprise SaaS engagement and loyalty platform to deliver immersive, gamified and personalized experiences - at scale. SMT also owns and operates the professional services companies FASTG8, Media Design Group and SmartMedia Labs, which are all powered by the SmartMedia Stack - a Self-Serve Audience Activation and Real-Time Programmatic SmartMedia Buying Platform.


Blockchain • Internet of Things • Payments • Cryptocurrency • Web3
Fully Remote, US
650 Employees

Chainlink Labs is the leading provider of secure and reliable Web3 services that have enabled trillions of dollars in transaction value across DeFi, insurance, gaming, NFTs, and other major industries. Chainlink Web3 services enhance smart contracts by connecting them to real-world data sources and off-chain computation across any blockchain and provide global enterprises with a universal gateway to all blockchains. Chainlink Labs is dedicated to the development and integration of Chainlink as the industry-standard Web3 services platform connecting the world to blockchains. At Chainlink Labs, we empower the broader Chainlink community and build world-class Web3 solutions with global enterprises such as AWS, Google, T-Systems, and leading development teams at the forefront of the smart contract ecosystem, including Aave, Compound, Synthetix, GMX, and many more. Through a fusion of cutting-edge academic research and an industry focus on user needs, our mission is to enable the next generation of smart contracts and build a world powered by truth.


Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
19 Offices
12,000 Employees

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.


Blockchain • Fintech • Mobile • Payments • Software • Financial Services
12 Offices
3,500 Employees

Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic app, bringing a better way to send, spend, invest, borrow and save to our millions of monthly active users. With a mission to redefine the world's relationship with money by making it more relatable, instantly available and universally accessible.


Blockchain • Information Technology • Software • Cryptocurrency • Web3
2 Offices
200 Employees

Alchemy powers the top blockchain companies globally and has been featured in TechCrunch, Forbes, Bloomberg, and elsewhere. Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain apps and rollups. Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe. The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT. We're backed by the world's leading VCs and institutions, including Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.


Blockchain • Fintech • Security • Software • Cryptocurrency • Cybersecurity • Web3
Fully Remote, US
40 Employees

Hiro is a company that creates developer tools for Stacks, a network that enables apps and smart contracts for Bitcoin. As a core entity within the Stacks Ecosystem, Hiro works alongside various independent entities, developers, and community members to establish a user-owned internet on Bitcoin. Hiro provides developers with the tools to innovate and build on Bitcoin in ways previously not possible.


Blockchain • Fintech • Financial Services • Cryptocurrency
2 Offices
190 Employees

TBD is Block’s business unit that’s building an open source developer platform to unlock the next wave of innovation in financial services. TBD embraces the open and permissionless nature of cryptocurrency and blockchain technologies. Join us in building the future and making the financial system accessible for all.


Blockchain • Gaming • Software
3 Offices
340 Employees

Mythical is a next-generation game technology studio. Mythical Games believes that true ownership of digital assets, verifiable scarcity, and integrated secondary markets will spawn a new generation of games. These new economies, based on digital ownership, will bring players, developers, and content creators closer to the games they love.


Blockchain • Internet of Things • Software
San Francisco, CA, US
256 Employees

We help companies forge meaningful connections with their customers and employees through lovable apps, websites, and digital products. Since the dawn of the app revolution, we've helped businesses of all sizes, from the Fortune 500 to innovative startups. Let's build something awesome together! Visit arctouch.com to get started.


Blockchain • Fintech
Fully Remote, US
34 Employees

Orderly Network is an omnichain CLOB infrastructure that unifies liquidity across blockchains. We are building the ultimate trading lego for seamless dApp integration by any builder on any blockchain. We are transforming DeFi by combining the transparency and composability of DEXs, with the speed and performance of CEXs.

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Blockchain • Fintech • Security • Software • Cryptocurrency • Cybersecurity • Web3
Fully Remote
40 Employees
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Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
19 Offices
12000 Employees
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Blockchain • Fintech • Mobile • Payments • Software • Financial Services
12 Offices
3500 Employees
Chainlink Labs Thumbnail
Blockchain • Internet of Things • Payments • Cryptocurrency • Web3
Fully Remote
650 Employees
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AdTech • Blockchain • Digital Media • eCommerce • Machine Learning • NFT • Web3
Carbondale, CO, US
120 Employees
TBD Thumbnail
Blockchain • Fintech • Financial Services • Cryptocurrency
2 Offices
190 Employees

Blockchain • Software
Fully Remote, US
69 Employees

Everybody and their mother working on blockchains loves the word “decentralization”. On a broad, world-changing scale, we can all agree that it’s important. Yet, when we zoom into the specifics of how to build this decentralized world, we find many diverse approaches. Whether it’s defi, identity, art, healthcare, or anything in between, a single dependency unites each dream for the future: scalability. We at OP Labs are building the critical infrastructure to address this need -- a protocol called Optimism -- an extension to Ethereum that scales both its technology and philosophy and enables orders of magnitude more performance. Ethereum will enable the greatest change in human coordination since the birth of the internet, and through the Optimism protocol, OP Labs is here to help bring it to the masses. Join a team that is passionate about solving complex problems by exploring (and/or expanding) the boundaries of technology! We are a remote first company with local hubs where teams can co-work IRL, when safely able to do so. We aim to grow quickly, so come help us build! :-)


Blockchain • Gaming • Web3
Fully Remote, US
17 Employees

Get the insights you need. Take the actions that matter. Thirdwave enables you to understand, find, and retain your best customers. Gain the key infrastructure and tools to drive growth with the first Growth Platform for Web3. Thirdwave is backed by leading investors such as Framework Ventures, Animoca Brands, Play Ventures, Shima Capital, Hustle Fund, and Oceans Ventures. For more information please visit thirdwavelabs.com, or connect with us on Twitter @thirdwavelabs.


Blockchain • Mobile • Consulting
Los Angeles, California, US
116 Employees

Quest Global technologies is an award winning company which works on Blockchain, Salesforce, ERP Implementation, Mobile App Development, Website Development and Custom Software Development. Quest Global Technologies works on a mission of increasing the sales and decreasing operational cost with the help of digitization. With a team of 50+ strong people across US, Romania, Canada, Australia and India, the company has achieved rank 5th amongst TOP Blockchain Developers from Goodfirms.co, best customized blockchain solution provider from ERP Insights Magazine, covered by Entrepreneur.com and mentioned by Clutch.co and Appfutura.com amongst the best development companies across the world. You can book a free consultation by clicking on our website and identify how can Quest solve the challenges in your business


Blockchain • Fintech • Payments • Cryptocurrency • Web3
Fully Remote, US
244 Employees

MoonPay is a financial technology company that builds payments infrastructure for crypto. Our on-and-off-ramp suite of products provides a seamless experience for converting between fiat currencies and cryptocurrencies using all major payment methods including debit and credit card, local bank transfers, Apple Pay, Google Pay, and Samsung Pay. MoonPay is active in more than 160 countries and is trusted by 300+ leading wallets, websites, and applications to accept payments and defeat fraud.


Artificial Intelligence • Blockchain
New York, NY, US
133 Employees

Founded in 2018 by professors of Yale University and Columbia University, CertiK is a pioneer in blockchain security, utilizing best-in-class AI technology to secure and monitor blockchain protocols and smart contracts. CertiK’s mission is to secure the cyber world. Starting with blockchain, CertiK applies cutting-edge innovations from academia into enterprise, enabling mission-critical applications to be built with security and correctness. CertiK is one of the fastest growing and most trusted companies in blockchain security and has become a true market leader. To date, we have collectively worked with over 1300 enterprise clients, helped secure over $90 billion worth of digital assets, and detected over 23,000 vulnerabilities in blockchain code. Our clients include leading projects such as Aave, Polygon, Binance Smart Chain, Terra, Yearn, and Chiliz. Our Q1 2021 revenues have more than quadrupled the revenue of the full 2020 year. Since Q1 2020, our team size has more than doubled, and this rate of growth will continue in 2021, creating a highly effective, remote-friendly culture with talents located worldwide. CertiK just raised over $60 million in Series B and B+ funding rounds in 2021. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance.


Blockchain • Software
2 Offices
55 Employees

Centrifuge is the platform for tokenized real-world assets onchain.


Blockchain • Gaming • Software • Web3 • Metaverse
Fully Remote, US

Saga is recognized as one of the best developer ecosystems in crypto, and probably the best in web3 gaming. Its mission is to help creators unblock themselves and build where blockspace is at its most plentiful and simple. Saga dismantled then rebuilt mainframes in a new way to create the developer environment of the future.


Blockchain • Fintech • Financial Services
Incline Village, NV, US
44 Employees

Kava Labs is focused on democratizing financial services and making them openly accessible to anyone, anywhere in the world. We started out by building the Kava blockchain, a foundational platform designed to provide the most safe, secure, and reliable experience for accessing Decentralized Financial(DeFi) apps and services. Today that platform manages over $1B in assets on behalf of users and is growing rapidly. We are a remote-first, globally distributed team that values first principle thinking, experimentation, and learning to ensure long-term success. We are not dogmatic in our approach, but we are relentless in our pursuit to create impactful technology for the future. We have a diverse set of backgrounds, skills, and culture but we’re all united in our passion about building new open financial infrastructure — together, so that our efforts will make a real impact and create lasting change in the world.


Blockchain • Internet of Things • Mobile • Payments • Wearables
Berkeley, CA, US
152 Employees

Crowdbotics uses a combination of machine learning and expert developers to help both technical and non-technical teams build complex software applications faster. Crowdbotics is a remote-first company with a small headquarters in Berkeley, CA.


Blockchain • Fintech
Georgetown, KY, US
372 Employees

Nexo is the world's leading regulated institution for digital assets. The company’s mission is to maximize the value and utility of cryptocurrencies by offering tax-efficient Instant Crypto Credit Lines, a high-yield Earn Crypto Interest product, Send & Pay capabilities, and sophisticated trading & OTC services, all while providing the top-tier custodial insurance and military-grade security of the Nexo Wallet. Nexo manages assets for over 4М+ users across 200+ jurisdictions and has processed over $80 billion since its launch in 2018.