Ian Goldberg

Ian Avrum Goldberg (born March 31, 1973) is a and cypherpunk. He is best known for breaking implementation of (with ), and for his role as chief scientist of Radialpoint (formerly ), a Canadian software company. Goldberg is currently a professor at the , . He was formerly the chairman of the board on the board of directors of the , and is one of the designers of .



He attended high school at the , graduating in 1991. In 1995, he received a from the in pure mathematics and computer science. He obtained a from the in December 2000. His thesis was entitled A Pseudonymous Communications Infrastructure for the Internet. His advisor was .


As a high school student, Goldberg was a member of Canada’s team to the from 1989 to 1991, where he received a bronze, silver, and gold medal respectively. He was also a member of team that won the in 1994. In 1998, Wired Magazine chose him as a member of the “Wired 25”. In 2011 he won the .

Work in cryptography

In 1995, Goldberg with discovered a flaw in the used for temporary key generation in the SSL implementation of .

Goldberg was a co-author of the encryption protocol. He is also the author of the script included in the novel by .

In 2009 Goldberg was co-author of the Sphinx Mix Format [1] which is nowadays implemented with the extension of a per hop payload to increase the privacy of payer and payee while routing Bitcoin payments through the Lightning Network.[2]

See Also on BitcoinWiki

Notes and references

External links


  1. Sphinx: A Compact and Provably Secure Mix Format
  2. Basics Of Lightning Technology #4: Onion Routing Protocol