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Adam Back

British cryptographer
The basics
About
Occupation Cryptographer
Country United Kingdom
Date of birth London, Greater London, London, England
The details
Biography

Adam Back (born July 1970) is a British cryptographer and crypto-hacker.

He is the inventor of hashcash, the proof-of-work system used by several anti-spam systems. A similar system is used in bitcoin. Hashcash has also been used in a number of other protocols such as combating blog spam, and defending against user namespace pollution.

He implemented credlib, a library that implements the credential systems of Stefan Brands and David Chaum.

He was the first to formalize the Non-Interactive Forward-Secrecy security property for email and to observe that any Identity Based Encryption scheme can be used to provide Non-Interactive Forward Secrecy.

He is also known for pioneering the use of ultra-compact code with his 3-line RSA in Perl signature file and non-exportable T-shirts to protest the (now relaxed) United States cryptography export regulations.

Today he is CEO of Blockstream, a company that seeks to further the development of bitcoin and blockchain technology.

He has a computer science Ph.D. from University of Exeter.

The contents of this page are sourced from a Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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