Explore Top Tech Companies
All Filters
Remote jobs



Tech Stack



Top NYC, NY Blockchain Companies (105)

Don't see your company?

Create a company profile
Blockchain • Fintech • Security • Software • Cryptocurrency • Cybersecurity • Web3
Fully Remote
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 • Mobile • Payments • Software • Financial Services
New York, New York, USA
3,500 Employees

It all started with an idea at Block in 2013. 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, at Cash App you'll have the opportunity to make a real-world impact with your career.

Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
New York, New York, USA
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 • Financial Services • Cryptocurrency
Fully Remote
181 Employees

Elliptic empowers financial institutions and crypto businesses to confidently manage risk and meet AML regulatory compliance worldwide. With our multi currency coverage including Bitcoin, Ethereum, Bitcoin Cash, LiteCoin and more, we are the global standard for delivering safe and trusted services in cryptocurrency.

Blockchain • Payments • Software • Cryptocurrency • Web3
142 Employees

Our mission is open source financial access for all. The Stellar Development Foundation is a nonprofit organization based in San Francisco. We’re building a common financial platform, designed to be open and accessible to everyone. Just as the internet allowed anyone to send an email or create a blog, Stellar now allows people to easily send, save, and receive money, without large fees or hassle.

Blockchain • eCommerce • Fintech • Financial Services • Cryptocurrency
New York, New York, USA
50 Employees

GBI (https://gbi.co) is a rapidly growing fintech company, building groundbreaking technology at the intersection of alternative assets, including cryptocurrencies and precious metals. Our software is already deeply integrated into the world’s top wealth managers and powers retail applications around the globe. GBI’s core platform allows underlying clients to buy, sell, and store precious metals and digital currencies within their existing accounts and trading systems. An innovative combination of a global over-the-counter marketplace and a storage/logistics network allows wealth managers and institutional investors to work with these alternative investments as native asset classes, maintaining assets under management, growing client assets and relationships.

Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
733 Employees

Ripple provides one frictionless experience to send money globally using the power of blockchain technology. By joining Ripple’s growing global network, financial institutions can process their customers’ payments anywhere in the world instantly, reliably and cost-effectively. Banks and payment providers can use the digital asset XRP to further reduce their costs and access new markets. Founded in 2012, Ripple's vision is to enable a world where value moves as seamlessly as information flows today—an Internet of Value. Ripple is the only enterprise blockchain company today with products in commercial use. Ripple’s global payments network includes over 300 customers across 40+ countries and 
six continents.

Blockchain • Fintech • Financial Services • Cryptocurrency
New York, New York, USA
335 Employees

Galaxy Digital (TSX: GLXY) is a tech-driven financial services and investment management firm that provides institutions and direct clients with a full suite of financial solutions spanning the digital assets ecosystem. Galaxy Digital operates five synergistic business lines: Trading, Asset Management, Principal Investments, Investment Banking, and Mining. Galaxy Digital's CEO and Founder is Mike Novogratz. Galaxy Digital is headquartered in New York City, with offices in Chicago, San Francisco, London, Amsterdam, Tokyo, Hong Kong, the Cayman Islands (registered office), and New Jersey. Our mission is to drive systems change through technology. Today, we are primarily focused on digital assets, cryptocurrencies and blockchain technology, and how these technological innovations will drastically alter the way we store and transfer value.

Blockchain • Fintech • Internet of Things • Cryptocurrency • Web3
New York, New York, USA
275 Employees

Today’s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we’re rebuilding it.

Blockchain • Software • Cryptocurrency • NFT • Web3
New York, New York, USA
220 Employees

Ava Labs makes it simple to launch decentralized finance applications on Avalanche, the fastest smart contracts platform in the blockchain industry. As the builders of Avalanche, Ava Labs has played a central role in shaping the future of enterprise blockchains and defining a path for other layer-1s to build a viable, sustainable user base. Our mission is to empower people to easily and freely digitize all the world's assets on one open, programmable blockchain platform.

Blockchain • Internet of Things • Cryptocurrency • NFT • Web3
New York, New York, USA
135 Employees

Aptos Labs is a people-first blockchain on a mission to help billions of people achieve universal and fair access to decentralized assets in a safe and scalable way. Founded by some of the original creators and maintainers that researched, designed, and built the Diem blockchain to serve this purpose, we have dedicated several years toward this mission. We believe the open-source Diem technology we have developed is an important foundation of a safe and scalable web3 world where everyone has more equitable opportunities to grow and access financial assets with lower fees and fewer intermediaries.

Blockchain • Fintech • Payments • Software • Financial Services
New York, New York, USA
170 Employees

Anchorage Digital was founded in 2017 to advance institutional participation in digital assets. With an emphasis on security and usability, we provide the technology, infrastructure, and tools that make it easy for institutions across the world to participate in crypto. Our team brings together the brightest minds from security, finance, and distributed systems to build the infrastructure of a new financial system. We’re looking to diversify our team with people who are humble, creative, and eager to learn.

Artificial Intelligence • Blockchain • Cybersecurity • Web3
New York, New York, USA
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 • Security • Cybersecurity
Long Island City, New York, USA
30 Employees

p0xeidon labs, a group developing technologies behind projects including Manta Network, delivers privacy for web3 applications and decentralized assets through use of zero-knowledge proofs. The project is built in accordance with first principles, by applying cutting-edge cryptographic constructions such as zkSNARKs to design and deploy protocols with high performance and strong privacy/security guarantees. Manta Network is supported by leading investors including Polychain, Multicoin, Binance, CoinFund, and Parafi. The founding team has extensive experience in the blockchain space and come from educational institutions including Harvard and MIT, and leading web3 projects such as Algorand. If you are excited about building privacy-preserving solutions using zero-knowledge proofs, building blockchain applications, or learning about Polkadot ecosystems, then we want to hear from you.

Blockchain • Fintech • Payments

SendFriend is a fintech startup founded at MIT that offers instant international remittances to consumers at below-market rates, leveraging the blockchain. We promote financial inclusion and health by reducing costs by 65% from the industry average. Our mission is to create a fairer, more inclusive, and more technology-enabled financial system.

Blockchain • Fashion

buy/sell/trace unused textiles w/blockchain.

Blockchain • Fintech • Software • Financial Services
Jersey City, New Jersey, USA
900 Employees

BlockFi is a crypto-financial services company focused on harnessing the power of cryptocurrencies and blockchain payment rails to create a globally accessible, crypto wealth management platform. At BlockFi, we provide clients with broad access to a suite of financial products and services, including crypto-backed loans, interest-bearing accounts to store crypto assets, and the world’s first crypto rewards credit card. Founded in 2017 by Zac Prince & Flori Marquez, BlockFi is one of the fastest-growing private fintech companies in the world currently valued at $4.5 billion USD. Headquartered in Jersey City, NJ, we serve over 1 million verified clients and 350 global financial institutions with approximately $10 billion USD in assets under management. BlockFi’s mission has always been to bridge traditional and crypto-based financial products, and at the heart of those efforts has been a focus on educating consumers about their benefits and how to grow their wealth in crypto.

17 Employees

Kadena is powering new ideas and business models with the only hybrid blockchain platform that is production-ready for smart contracts. Kadena’s founders created J.P. Morgan’s first blockchain and worked at the U.S. Securities and Exchange Commission. Kadena is in use with partners including USCF (a $3 billion fund) and Rymedi (tracking medicinal p

Blockchain • Information Technology • Other • Software
300 Employees

Developcoins is a global cryptocurrency development company, which has hands-on experience in providing robust cryptocurrency development solutions using immutable blockchain technology. We provide excellent cryptocurrency development services to help our clients increase their ROI. Our pool of cryptocurrency developers works dedicatedly

Blockchain • Fintech • Information Technology
New York, New York, USA
28 Employees

TQ Tezos is a blockchain software technology studio, building world-class blockchain solutions across global industries. Based on the open-source Tezos protocol, TQ Tezos consists of distributed global teams working to build both private permissioned and public blockchain solutions, with a suite of developer tools and business products.
 In collaboration with the Tezos Foundation in Switzerland and Nomadic Labs in Paris as well as other entities in the Tezos ecosystem, TQ helps startups and enterprises adopt Tezos for a variety of exciting use cases (e.g. capital markets, enabling autonomous vehicle-to-vehicle transactions, etc.), facilitating the growth of a robust, high-functioning Tezos ecosystem across multiple industries.