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Bart Stephens logo
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Bart Stephens logo

Bart Stephens

Founder of Blockchain Capital

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Companies
Company
Roles
Coinbase

Coinbase is a digital asset exchange company. It operates exchanges of Bitcoin, Bitcoin Cash, Ethereum, and Litecoin.

Investor
Sirius Satellite Radio

Sirius Satellite Radio is a defunct satellite radio service founded in 2002 by Martine Rothblatt.

Investor
Glu Mobile

Glu Mobile, Inc. is an American developer and publisher of video games for mobile phones and tablet computers.

Investor
Illumina

Illumina is a biotechnology company founded in 1998 located in San Diego, California, developing and selling instruments, reagents, and services for DNA sequencing applications.

Investor
23andMe

23andMe is a biotechnology company based in Mountain View, California providing DNA genetic testing and analysis services.

Investor
Tencent

Tencent is a Chinese internet and technology company founded in 1998.

Investor
BandPage

BandPage is a distributed marketplace for musicians to engage and market to fans across music services across the world

Investor
Addepar

Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients.

Investor
SV Angel

SV Angel is an angel investment group founded in San Francisco in 2009 that primarily invests in early-stage technology companies. Notable companies SV Angel has invested in include Stripe, Reddit, Notion, Headspace, Color, Patreon, Credit Karma, Poshmark, and GitHub.

Investor
Baseline Ventures

Baseline is a venture capital firm geared towards investing on seed-stage techonology companies

Investor
Xapo

Xapo is a Zürich-based company founded in 2013 by Wences Casares.

Investor
BitPesa

BitPesa is a blockchain and software development company offering a platform for sending money in Africa.

Investor
Pantera Capital

Pantera is an investment company which focused on ventures and projects related to digital currency, crypto assets and blockchain technology.

Investor
BitGo

BitGo is a financial services company in  California that focuses on financial services, providing clients with security, custody, and liquidity solutions.

Investor
Blockstream

Blockstream is a cryptocurrency company founded in 2014 by Adam Back, Alex Fowler, Erik Svenson, Jonathan Wilkins and Pieter Wuille.

Investor
Ribbit Capital

Ribbit Capital is a global venture capital firm focused on fintech (financial technology). It was founded in 2012 and is located in Palo Alto, California.

Investor
Bitwise Asset Management

Bitwise develops funds, indexs and insights into cryptocurrency investing. Bitwise is a crypto index fund manager for individuals, investment managers, and institutions navigating cryptocurrency.

Investor
Applied Proteomics

A company focused on the development proteomics

Investor
Boost VC

An accelerator in California that focuses on Sci-Fi technologies.

Investor
Authy

Authy is a company providing an API for developers for customizing authentication for applications and authentication platform for enterprises.

Investor
Coinsetter

Coinsetter is a company founded in 2012 by Yo Sub Kwon.

Investor
Lowercase Capital

Lowercase Capital is a venture fund based in San Francisco.

Investor
RelateIQ

RelateIQ offers a relationship intelligence platform that allows teams to track, share and analyze professional relationships.

Investor
Airtime (company)

Airtime is an app designed to gather people together to watch videos, listen to music, and hang out with friends live.

Investor
Investor
Image Vision Labs

Image Vision Labs is an Anna, Texas-based company founded in 2010.

Investor
Bitnet Technologies Ltd.

Bitnet Technologies Ltd. is a San Francisco-based company founded in 2014.

Investor
WaldenVC

Founded in 1974, Walden Venture Capital is a venture capital firm based in San Francisco, California. The firm seeks to invest in companies operating in the software, healthcare and media sectors.

Investor
Sina Corporation

Sina Corporation is a media and technology company.

Investor