The Who's Who In Bitcoin

The Bitcoin industry has grown tremendously since Bitcoin was released to the public in January 2009. Over $1B of investment into Bitcoin and blockchain companies has taken place resulting in thousands of companies and hundreds of thousands of individuals involved from around the world.

A Week With Dr. Adam Back

Dr. Adam Back

Dr. Adam Back is the premier expert in the world on blockchain technology and is currently pioneering the sidechains project for the core Bitcoin protocol.

He has worked on e-cash protocols since 1995 as an applied cryptographer and is cited in both the TOR whitepaper and Bitcoin whitepaper by Satoshi Nakamoto and is the inventor of the Hashcash proof-of-work which is used for the decentralized mining used for Bitcoin security.

He was an architect and cryptographer at Zero-Knowledge Systems working on its Freedom network, a precursor to Tor. Most recently, Adam co-founded Picorp which was acquired by EMC.

He holds a Ph.D. in distributed systems and computer science from the University of Exeter.


Bitcoin Core

Bitcoin Core--formerly Bitcoin-Qt--is a Bitcoin codebase based on the original code and framework published by Satoshi Nakamoto. Bitcoin Core is currently run by more than 70% of Bitcoin nodes and all miners, making it the most widely used Bitcoin client. Note that Bitcoin Core is not a company.

Andrew Poelstra
Mathematician, Blockstream
Cory Fields
Bitcoin Core Developer
Eric Lombrozo
Co-CEO, Ciphrex
Jonas Schnelli
Co-founder, Digital Bitbox
Luke Dashjr (Luke-Jr)
Bitcoin Core Developer
Mark Friedenbach
Co-founder, Blockstream
Matt Corallo
Bitcoin Core Developer
Peter Todd
Bitcoin Core Developer
Pieter Wuille
Bitcoin Core Developer
Satoshi Nakamoto
Inventor Of The Bitcoin Protocol
Wladimir van der Laan
Lead Maintainer, Bitcoin Core


Blockstream is one of the most-well funded Bitcoin companies, with $76 million in venture capital thanks to its latest $55 million funding round. Its core purpose is to improve Bitcoin's utility with sidechains.

Andrew Poelstra
Mathematician, Blockstream
Dr. Adam Back
President, Blockstream
Mark Friedenbach
Co-founder, Blockstream
Pieter Wuille
Bitcoin Core Developer


Armory builds enterprise grade Bitcoin security software solutions and provides Bitcoin security consulting services to institutions for deploying a Bitcoin security plan.

Dr. Adam Back
President, Blockstream
Trace Mayer


Coinbase aims to be the easiest way to get started with Bitcoin. Users can easily buy & sell bitcoins, or accept bitcoin as a merchant.

Brian Armstrong
CEO, Coinbase
Charlie Lee
Director of Engineering, Coinbase
Fred Ehrsam
Co-founder, Coinbase
Gavin Andresen


Ledger is a Bitcoin security company known for its Bitcoin hardware wallets.

Eric Larchevêque
CEO, Ledger
Joel Pobeda
COO, Ledger
Nicolas Bacca
CTO, Ledger


OpenBazaar is a Bitcoin-only, decentralized online marketplace. It is currently developed by OB1.

Brian Hoffman
Chris Pacia
Senior Developer, OB1
Sam Patterson
Washington Sanchez
Co-founder, OB1

More Bitcoin Companies












You don't need to work for a company to contribute in the Bitcoin space. Meet more of the names and faces who are involved with Bitcoin.

Andreas M. Antonopoulos
Author, Mastering Bitcoin
G. Edward Griffin
Author, Lecturer, Filmmaker
James DeAngelo
Founder, World Bitcoin Network
Richard Sanders
Lead Investigator
Ronald Ernest Paul
US Representative
Trace Mayer
Vitalik Buterin
Founder, Ethereum
Zulfikar Ramzan
Chief Technology Officer, Elastica, Inc.



Is your favorite company not included? Are you a player on the Bitcoin field and want to be included? Please submit a pull request!