Gavin Andresen

Gavin Andresen
Andresen speaking at the 2014 Web Summit
Born (1966-11-11) November 11, 1966
Other namesGavin Bell
Alma materPrinceton University
Known forBitcoin, software
Scientific career
FieldsComputer science
Websitegavinandresen.ninja

Gavin Andresen (formerly Gavin Bell[1]) (born November 11, 1966) is a software developer known for his involvement with bitcoin. He is based in Amherst, Massachusetts.

Originally a developer of 3D graphics and virtual reality software, Andresen became involved in developing products for the bitcoin market in 2010 and was declared by himself as the lead developer of the reference implementation for bitcoin client software after Satoshi Nakamoto departed silently.[2] In 2012, Andresen founded the Bitcoin Foundation, and by 2014, left his software development role to concentrate on the Foundation.[3]

Career

First projects

Andresen (at the time Bell[4]) graduated from Princeton University in 1988.[1] He began his career working on 3D graphics software at Silicon Graphics Computer Systems. In 1996, he co-authored the VRML 2.0 specification,[5] and later published a reference manual for VRML 2.0.[6]

Andresen also created ClearCoin, an escrow-type of service, which was closed in June 2011.

Joining bitcoin

Andresen was the lead developer for a part of the bitcoin digital currency project, working to create a secure, stable "cash for the Internet." Andresen discovered bitcoin in 2010, considering its design to be brilliant. Soon after he created a website named The Bitcoin Faucet which gave away bitcoin.[1] According to Business Insider, he was "credited with setting up the first crypto faucet in 2010," with his bitcoin faucet giving away 5 BTC per person on a first-come, first-served basis. While the amount was initially negligible, in 2026, that amount was worth around half a million dollars.[7]

In April 2011, Forbes quoted Andresen as saying, "Bitcoin is designed to bring us back to a decentralized currency of the people," and "this is like better gold than gold."[8] After joining the developers contributing to Bitcoin along with Satoshi Nakamoto, he went on to become lead developer of the client software for the bitcoin network.[1] Andresen had been contributing code to the bitcoin project for four months, when Nakamoto gave him direct access to the source code. In September 2010, Nakamoto told Andresen he was working on other projects, and over the next few months, he gave Andresen control of the SourceForge code repository, and the project's "alert key" as well. Andresen effectively became the open-source project's head developer, guiding a team of five other volunteer programmers.[9] In December 2010, Nakamoto stopped posting online and left Andresen in control of the bitcoin control, with Nakamoto's identity still unknown.[10]

In June 2011, he attended a "conference on emerging technologies for US intelligence agencies" held by In-Q-Tel to present on bitcoin.[11][12][13]

In 2012, Andresen founded the Bitcoin Foundation, to support the currency's development.[14]

He stepped back as lead maintainer in 2014.[2]

By 2014, Andresen had left the role of lead developer of bitcoin to focus on the Bitcoin Foundation, which he had founded in September 2012.

In 2015, Andresen joined the Digital Currency Initiative (DCI) at MIT in a full-time role.[15]

Leaving bitcoin and afterwards

In May 2016 Andresen supported Australian programmer and entrepreneur Craig Wright in a claim to be Nakamoto,[16] Wright's claim was then discredited. The Guardian reported in May 2016 that Andresen was then fired as the Bitcoin Foundation's chief scientist for supporting Wright's claim, with his ability to make changes to the main code running bitcoin revoked, and role reduce to being "largely ceremonial." Wladimir van der Laan stated to the press that because Andresen had previously stated "Satoshi can have write access to the github repo any time he asks," that the organization was worried he might give the repository to a scammer.[17] Andresen expressed regret getting involved in the "'who was Satoshi' game",[18] and stated "it was a mistake to trust Craig Wright."[19]

Andresen's commit access to Bitcoin Core on GitHub was revoked in May 2016 after stating Wright was Satoshi Nakamoto.[20]

He had become critical of the failure of bitcoin developers to increase network capacity, and helped put together Bitcoin XT as alternative software.[2]

In November 2017, Andresen expressed support for rival currency Bitcoin Cash, stating "Bitcoin Cash is what I started working on in 2010, a store of value AND means of exchange".[21][22] In 2021, Entrepreneur estimated his personal networth at $100 million, with Andresen included at #50 on its Crypto Rich List.[23]

References

  1. ^ a b c d Simonite, Tom (15 August 2014). "The Man Who Really Built Bitcoin". MIT Technology Review. Massachusetts Institute of Technology. Retrieved 28 September 2021.
  2. ^ a b c Popper, Nathaniel (2016-01-14). "A Bitcoin Believer's Crisis of Faith". The New York Times. ISSN 0362-4331. Retrieved 2019-06-13.
  3. ^ "Bitcoin Foundation sets off to protect Bitcoin". CNET. September 30, 2012. Retrieved 2025-09-22.
  4. ^ "Buying into Bitcoin". Princeton Alumni Weekly. 13 November 2013. Retrieved 1 September 2022.
  5. ^ "VRML 2.0".
  6. ^ Carey, Rikk (1997). The Annotated VRML 2.0 Reference Manual. Addison-Wesley Developers Press. ISBN 0201419742.
  7. ^ "Best crypto faucets 2026: Earn free Bitcoin, Ethereum, and more". Business Insider. Retrieved March 22, 2026.
  8. ^ "Crypto Currency". Forbes. 2011-04-20. Retrieved 2014-03-06.
  9. ^ Wallace, Benjamin (March 17, 2025). "In Pursuit of the Bitcoin God". New York Intelligencer. Retrieved March 22, 2026.
  10. ^ Finley, Klint (February 1, 2018). "What is Bitcoin? The Complete WIRED Guide". Wired. Retrieved March 22, 2026.
  11. ^ Bronk, Christopher; Monk, Cody; Villasenor, John (16 March 2012). "The Dark Side of Cyber Finance". Survival: Global Politics and Strategy. 54 (2): 129–142. doi:10.1080/00396338.2012.672794. In June 2011, for example, Bitcoin open-source project leader Gavin Andresen gave a presentation at CIA headquarters to a US intelligence conference on emerging technologies.
  12. ^ Evans-Pughe, Christine (May 2012). "From Megabytes to Megabucks [e-currency]". Engineering & Technology. 7 (4). Institution of Engineering and Technology: 59–61. doi:10.1049/et.2012.0408. co-developer Gavin Anderson has been asked to talk to the CIA's technology investment arm, In-Q-Tel.
  13. ^ Andresen, Gavin (26 April 2022). "Eleven years ago today..." gavinandresen.ninja. Retrieved 15 June 2023.
  14. ^ Zafar, Tanveer (November 29, 2021). "The 50 Richest People in Crypto". Entrepreneur. Retrieved March 22, 2026.
  15. ^ de Silva, Matthew (July 20, 2022). "Jeffrey Epstein's bitcoin intrigue deserves scrutiny at MIT". Quartz. Retrieved March 22, 2026.
  16. ^ Davies, Caroline; Safi, Michael (2016-05-02). "Craig Wright: scepticism surrounds bitcoin inventor's identification". The Guardian. ISSN 0261-3077. Retrieved 2019-06-12.
  17. ^ "Bitcoin project blocks out Gavin Andresen over Satoshi Nakamoto claims". The Guardian. May 6, 2016. Retrieved March 22, 2026.
  18. ^ Andresen, Gavin (16 November 2016). "Either/or : ignore!". gavinandresen.ninja. Retrieved 16 November 2016.
  19. ^ Mullin, Joe (2016-05-04). "Craig Wright promises "extraordinary proof" that he is Satoshi, coming soon". Ars Technica. Retrieved 2019-06-13.
  20. ^ HAL 90210 (2016-05-06). "Bitcoin project blocks out Gavin Andresen over Satoshi Nakamoto claims". The Guardian. ISSN 0261-3077. Retrieved 2019-06-12.{{cite news}}: CS1 maint: numeric names: authors list (link)
  21. ^ Lee, Timothy B. (2017-11-12). "Bitcoin rival doubles in price in four days as Bitcoin price slumps". Ars Technica. Retrieved 2019-06-13.
  22. ^ Lee, Timothy B. (2017-12-20). "Bitcoin rival Bitcoin Cash soars as Coinbase adds support". Ars Technica. Retrieved 2024-09-15.
  23. ^ Zafar, Tanveer (November 29, 2021). "The 50 Richest People in Crypto". Entrepreneur. Retrieved March 22, 2026.
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