Adam Back
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Adam Back (born July 1970) is a British cryptographer and cypherpunk. He is the CEO of Blockstream, which he co-founded in 2014. He invented Hashcash, which is used in the bitcoin mining process.
Life
Back was born in London, England, in July 1970.[1] His first computer was a Sinclair ZX81. He taught himself Basic, and spent his time reverse engineering video games, finding decryption keys in software packages. He completed his A levels in advanced mathematics, physics, and economics.Script error: No such module "Unsubst".
He has a computer science PhD in distributed systems from the University of Exeter.[2] During his PhD, Back worked with compilers to make use of parallel computers in a semi automated way. He became interested in PGP encryption, electronic cash and remailers. He spent two thirds of his time working with encryption. After graduation, Back spent his career as a consultant in start ups and larger companies in applied cryptography, writing cryptographic libraries, designing, reviewing and breaking other people's cryptographic protocols.[3]
Cryptography software
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Back is a pioneer of early digital asset research similar to Wei Dai, David Chaum, and Hal Finney.[4][5] In 1997, Back invented Hashcash.[6] A similar system is used in Bitcoin.[7][8][9]
He also implemented credlib,[10]Template:Better source needed[11]Template:Better source needed a library that implements the credential systems of Stefan Brands and David Chaum.
He was the first to describe the "non-interactive forward secrecy"[12][13][14] 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 promoting the use of ultra-compact code with his 2-line[15] and 3-line RSA in Perl[16][17][18] signature file and non-exportable T-shirts[19][20] to protest cryptography export regulations.[21]
Back was one of the first two people to receive an email from Satoshi Nakamoto.[22][2] In 2016, the Financial Times cited Back as a potential Nakamoto candidate, along with Nick Szabo and Hal Finney.[23] Craig Wright had sued Back for stating that Wright was not Nakamoto, with Wright subsequently dropping the suit.[2] In 2020, the YouTube channel Barely Sociable claimed that Back is Nakamoto. Back subsequently denied this.[24]
Back has promoted the use of satellites and mesh networks to broadcast and receive bitcoin transactions, as a backup for the traditional internet.[25]
Business career
On 3 October 2016, Back was appointed as CEO of Blockstream.[26]
References
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- ↑ Blockstream (3 October 2016). "Blockstream Appoints Hashcash Inventor Dr. Adam Back as CEO". PR News Wire. Retrieved 2020-12-05.
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External links
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