Adam Back is currently the CEO of Blockstream, a technology company that seeks to promote the development of bitcoin and blockchain technology.
Blockstream provides funding for the development of Bitcoin Core, the predominant bitcoin network client software.
He also employs a large number of leading Bitcoin Core developers.
Having worked on e-cash protocols since 1995, Adam Back is an applied cryptographer and inventor of the proof-of-work hashcash and decentralised mining used in bitcoin
In addition to implementing credlib, he was an e-cash consultant for Nokia and later for Credentica (acquired by Microsoft).
Back was an architect and cryptographer at Zero-Knowledge Systems working on its Freedom network, a precursor to Tor. He was also a consultant for major security companies, including oneID, Vmware and QWcap.
More recently, Back co-founded Picorp, which was acquired by EMC and where he was CSO of the company's consumer division, Decho.
Adam holds a Ph.D.. in distributed systems and computer science from the University of Exeter.
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Frequently asked questions
Who is Adam Back?
Adam Back is an applied cryptographer, currently CEO of Blockstream, a technology company that promotes the development of Bitcoin and blockchain. He has worked on e-cash protocols since 1995 and holds a PhD in distributed systems and computer science from the University of Exeter.
What did Adam Back invent?
Adam Back is the inventor of Hashcash, the proof-of-work system adopted for Bitcoin's decentralized mining. He also implemented credlib and worked as an architect and cryptographer at Zero-Knowledge Systems on the Freedom network, a precursor to Tor.
What is the link between Adam Back and Bitcoin?
His Hashcash proof-of-work is at the heart of Bitcoin mining. In addition, his company Blockstream funds the development of Bitcoin Core, the network's predominant client software, and employs several of its leading developers.
What is Blockstream?
Blockstream is a technology company led by Adam Back that seeks to promote the development of Bitcoin and blockchain technology, notably by funding Bitcoin Core and employing many of its developers.
