History of Bitcoin

Name :Xavier Serret Avila Achievements: Bitcoin whitepaper Reference 2:   H. Massias, X.S. Avila, and J.-J. Quisquater, "Design of a secure timestamping service with minimal trust requirements," In 20th Symposium on Information Theory in the Benelux, May 1999.

Name: Henri Massias Achievements : A Ph.D in Mathematics in 2000 with "La certification cryptographique du temps" Bitcoin whitepaper Reference 2: H. Massias, X.S. Avila, and J.-J. Quisquater, "Design of a secure timestamping service with minimal trust requirements," In 20th Symposium on Information Theory in the Benelux, May 1999.

Name :David Chaum Achievements: - Pioneer of early cryptography - Proposed Digital cash in 1982 blind signatures for untraceable payments  - Released a whitepaper named security without identification: Transaction systems to make big brother obsolete - Founder of Digicash in 1990 and developed ecash - Unfortunately Digicash closed in 1999 and credit cards became the dominant form of electronic payments. Websites: https://www.bbc.com/news/technology-29032399 Litterature by David Chaum: 1982: Blind Signatures for Untraceable Payments which contained the first description of a digital scheme 1985: Together With Israeli cryptographers Amos Fiat and Moni Naor he wrote the paper untraceable electronic cash 1988: Untraceable Electronic Mail, Return Addresses, and Digital Pseudonyms  1988: The Dining Cryptographers Problem: Unconditional Sender and Recipient Untraceability  1989: Online Cash Checks

Name :Hal Finney May 4,1956-August 28 2014 Achievements: -In the beginning of the 1990`s he was writing about Digital currency. -The Creator of the Reusable Proofs of Work system in 2004. -A cypherpunk that developed the first secure version of PGP 2.0 -Skilled in the programming language C and software developer and cryptography expert -He was the second user of the bitcoin project. Was in contact with Satoshi Nakamoto on the cryptography mail list. -The first transaction of Bitcoin currency, in block 170, was made between Satoshi Nakamoto and Hal Finney. -Identified a double-spending attack within the bitcoin network named after him: Finney Attack Unfortunately in the end of 2009, Hal Finney was diagnosed with Amyotrophic Lateral Sclerosis .Even when he was paralyzed, Hal Finney continued developing the bitcoin project. He began working on an experimental piece of code named bcflick, which used Trusted Computing to strengthen bitcoin wallets. Website: https://medium...