Top Blockchain companies in New York
Companies building L1s, L2s, wallets, infra, and apps on public blockchains. Filtered to companies headquartered in New York.
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- IndustryBlockchain
- HQNew York
- Matches6,295
Built from a search like: “Top Blockchain companies in New York”
Ranked by current headcount across Blockchain companies headquartered in New York. Refreshed daily.
- 1JPMorganChase· New York, New York, United States
With a history tracing its roots to 1799 in New York City, JPMorganChase is one of the world's oldest, largest, and best-known financial institutions—carrying forth the innovative spirit of our heritage firms in global operations across 100 markets. We serve millions of customers and many of the world’s most prominent corporate, institutional, and government clients daily, managing assets and investments, offering business advice and strategies, and providing innovative banking solutions and services.Social Media Terms and Conditions: https://bit.ly/JPMCSocialTermsJPMorgan Chase & Co. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
- 237.7k employees
- Founded 2000
- 2Citi· New York, New York, United States
Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have over 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.For information on Citi’s commitment to privacy, visit on.citi/privacy.
- Post-IPO debt
- 191.4k employees
- 3Morgan Stanley· New York, New York, United States
Morgan Stanley is a leading global financial services firm providing investment banking, securities, wealth management and investment management services. With a 90-year history, Morgan Stanley today operates in 42 countries serving corporations, governments, institutions, families and individuals. Morgan Stanley is a talent business that demands ongoing investment in our people. Key drivers of our success have been the breadth and tenure of our talent, as well as a unique culture and a set of values that guide our employees. We view Morgan Stanley’s talent and culture as a key competitive advantage enabling the Firm to achieve its potential and drive future success.As an integrated firm with scaled capabilities, we partner with clients at every stage of their financial journey. Our ability to do so is grounded in four pillars that define Morgan Stanley: a clear and consistent strategy to help clients raise, manage and allocate capital; a culture grounded in rigor, humility and partnership; financial strength through capital, earnings power and durability; and growth driven by smart, strategic investment globally.These pillars enable Morgan Stanley to provide trusted advice, operate with resilience across market cycles and deliver long-term value to our clients and shareholders. Social Media Disclosures: mgstn.ly/SocialDisclosure
- 102.9k employees
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- 4American Express· New York, New York, United States
At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World Wars, to ensuring the safety of our customers’ funds during the Great Depression in the U.S., to creating the Shop Small® movement to help small businesses recover from the Financial Crisis, to providing aid to communities impacted by many natural disasters and so much more. For generations, the key to our success has been the determination and resilience of our American Express colleagues. Now, as a globally integrated payments company, we work together to provide customers with access to products, insights and world-class experiences that enrich lives and build business success. Join us and let’s lead the way together. Learn more about us at: https://www.americanexpress.com/careershttps://www.americanexpress.com/https://www.facebook.com/AmericanExpressUShttps://www.instagram.com/americanexpress/https://twitter.com/americanexpresshttps://www.youtube.com/user/AmericanExpressSee our community guidelines at: https://www.americanexpress.com/en-us/company/community-guidelines/If you have a customer service issue or question, please visit www.americanexpress.com/contactus
- 98.4k employees
- 5J.P. Morgan· New York, New York, United States
J.P. Morgan is a leader in financial services, offering solutions to clients in more than 100 countries with one of the most comprehensive global product platforms available. We have been helping our clients to do business and manage their wealth for more than 200 years. Our business has been built upon our core principle of putting our clients' interests first.J.P. Morgan is part of JPMorgan Chase & Co. (NYSE: JPM), a global financial services firm.Social Media Terms and Conditions: https://bit.ly/JPMCSocialTerms© 2017 JPMorgan Chase & Co. JPMorgan Chase is an equal opportunity and affirmative action employer Disability/Veteran.
- 86.4k employees
Find engineers at Blockchain companies in New York
New York has long been a hub for Blockchain, and the list above ranks the largest Blockchain companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 6,295 matching companies in Refolk’s index, this is a good map of where the Blockchain talent in New York lives - useful whether you’re recruiting, partnering, or sizing a market.
The biggest Blockchain companies in New York tend to be the gravitational centres for specialised talent - senior engineers, ML researchers, applied scientists, designers - while the smaller ones compete on speed, equity, and proximity to founders.
Refolk converts this list into a live search. Ask for “Blockchain engineers in New York hiring senior staff” or “founders of Blockchain companies in New York who left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.
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Last refreshed: Wed, 05 Aug 2026 18:00:37 GMT
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How is this ranking built?
The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.
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- Staff backend engineers in NYC who shipped Rust in production
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