At Bleeding.Technology we track over 100,000 web 3.0, NFT, DeFi & crypto startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top United States based Developer operating in the Cryptocurrency space. If you think a Developer is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Daniel Feichtinger
Developer Advocate of Digital Asset
Founder of hyperledger.
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About Digital Asset: Digital Asset develops ledger technology intended to build distributed, encrypted straight-through processing tools.
Jordan Earls
Co-founder and Lead Developer of Qtum
Jordan is a trusted and well-known member of the cryptocurrency community and has been developing software since he was thirteen. Jordan has reviewed over 100 altcoins and identified multiple exploits in coins. Jordan Earls is the co-founder of Qtum, a blockchain application platform, and the co-chair of the Smart Contracts Alliance, an initiative to promote the acceptance and use of smart contracts technologies. Earls is a well-known member of the blockchain community and has reviewed over 100 cryptocurrencies.
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About Qtum: Qtum is an open sourced public blockchain platform.

Steven Bower
Developer of Purse
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About Purse: Purse provides real incentive to use Bitcoin to the largest selection at the lowest price points.

Chris Ibrahim
Developer of Pei
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About Pei: Unlock automatic cashback in Bitcoin or USD on your debit or credit cards!

Tom James Holub
Developer, Advisor of BitOasis
Founder at Dil Mile
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About BitOasis: BitOasis is a cryptocurrency trading platform offering a digital asset wallet and exchange to buy, sell, and trade.

Mike Toutonghi
Lead Developer of Verus
As a 30+ years veteran of the technology industry, Mike has been a serial entrepreneur and intrapreneur throughout his career. From his first 3D CAD systems integrator startup in 1982, through founding and leading the eHome Division at Microsoft, Mike has held senior management and inventor from CEO to Corporate Vice President to Technical Fellow, focused in each role on making technology easier and more useful for everyone. Some of his more notable roles include General Manager, Architect, and one of two recognized co-founders of Microsoft’s .Net platform; Vice President, Founder and Distinguished Engineer of Microsoft’s eHome divison; CEO and Founder of the Vizrea/Webfives social network in 2003, purchased by Microsoft in 2007; CTO of Parallels, Inc.; and the role he is most excited about, CEO of Functionalize, Inc. Mike is also inventor or co-inventor on 29 issued patents, plus pending patents on Functionalize Inc.’s nano-material synthesis and polymer technology. Although he has managed multifunctional teams of over 600 with budgets over $100MM, Mike started functionalize as its Chief Scientist and Laborer in the pursuit of enabling 3D printing electrical circuits on today’s common 3D printers. In doing so, he has developed his lifelong interest in and personal study of chemistry, and succeeded in inventing, filing for patents, and bringing to production the first 3D printing filament conductive enough to easily print general, TTL compatible circuits. As the CEO of Functionalize, Inc., Mike worked to enable its vision of “concept to functional product, on a 3D printer in any home or business.”
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About Functionalize, Verus: A community project with a secure, privacy-centric cryptocurrency, multi-coin digital wallet and upcoming (PBaaS) blockchain service.
Eddy Smith
Co-Founder & Lead Developer of Neblio
Ed has a B.S. in Computer Science and over 7 years of experience working as a senior software engineer for global enterprise companies. In his career he regularly built and developed data center applications, networking systems, and storage systems for one of the largest I.T. companies in the world. Ed is a blockchain enthusiast and advocate.
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About Neblio: A secure, distributed, platform built for enterprise applications and services.
Joel A. Bosh
Founder, Developer & Project Manager of I/O Digital
With over 25 year as an entrepreneur, owning a music publishing company (Bosch Music Publishing) in a joint venture with Universal Music Publishing to Mac Wizard Service (An IT Support Company) providing services for Apple products to founding an open source blockchain. Joel has merged the Music, IT Security and the FinTech worlds to conquer a multifaceted field with I/O Digital. Since his early days of computer building to his rise of owning his own Apple IT Support company, Joel has been at the forefront of technology. Starting out as a bitcoin enthusiast, he then moved on to contributing to various blockchain projects. This in turn led Joel to founding the I/O Digital Blockchain. Joel has made IOC (I/O Coin) his life. With such a diverse background and years of experience with blockchain technology, he embarked in a multi year research project along with co-founder Derek Hatton (a physicist and security expert). They worked to bring forward a white paper on a new cryptocurrency I/O Coin; with a focus on creating an user friendly, application based blockchain.
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About I/O Digital: I/O Digital is an ongoing open source blockchain ecosystem.
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