Adam Back is a British computer scientist and cryptographer who was born in London, England in 1971. Adam attended the University of Exeter where he received a degree in Computer Science.
Adam Back is best known as the inventor of the Hashcash proof-of-work system which he started working on in 1997 and which was used as the basis for Bitcoin's consensus algorithm.
Back has been involved in the cryptocurrency space since the early days. He was an active member of the cypherpunk mailing list in the late 1990s, where he discussed topics related to cryptography, digital cash, and privacy.
Adam was an early proponent of Bitcoin and has made numerous public appearances to promote Bitcoin. Adam has even provided technical advice to the Bitcoin Core development team.
In 2014, Adam Back launched Blockstream, a blockchain technology company that he co-founded together with Austin Hill and Christopher Allen. The company’s mission is to make Bitcoin more secure, scalable, and useful.
Blockstream’s main products are its Liquid Network, which provides users with a secure and private platform for cryptocurrency transactions, and its Blockstream Satellite, which enables users to access the Bitcoin Network without an internet connection. Blockstream also develops open-source software and hardware products, such as Core Lightning and the Blockstream Green wallet.