Cypherpunks
A loosely organized movement of programmers, mathematicians, and activists who, from the late 1980s onward, advocated for strong cryptography as a tool for individual privacy and freedom. Their ideas laid the conceptual groundwork for Bitcoin.
The Cypherpunks were an informal network of technologists, mathematicians, and activists who began communicating via the cypherpunk mailing list in 1992 and meeting regularly in San Francisco. The name blends "cipher" with "cyberpunk." In 1993, Eric Hughes published "A Cypherpunk's Manifesto," declaring that privacy is necessary for an open society and that cypherpunks write code. The movement included figures such as Timothy May, John Gilmore, Phil Zimmermann (creator of PGP), Hal Finney, and Nick Szabo.
Their central belief was that cryptography could protect individuals from surveillance by states and corporations without requiring trust in any institution. They built and distributed tools: anonymous remailers, digital cash systems, and encryption software. Concepts developed within the movement, including bit gold (Nick Szabo) and b-money (Wei Dai), directly prefigured Bitcoin's design. Satoshi Nakamoto announced Bitcoin in 2008 on a cryptography mailing list with strong ties to cypherpunk thought.
The cypherpunk movement did not produce a unified organization or political party. It operated on the principle that working software is more powerful than advocacy alone. Many of its ideas, including end-to-end encryption and decentralized digital money, have since become mainstream technologies. The underlying philosophy of individual sovereignty through code remains influential in open-source development and in the communities that formed around Bitcoin.