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| A '''[[cypherpunk]]''' is an activist advocating widespread use of strong cryptography as a route to social and political change. Cypherpunks have been engaged in an active movement since the late 1980s, heavily influenced by the hacker tradition and by libertarian ideas. Many cypherpunks were quite active in the intense political and legal controversies around cryptography of the 90s, and most have remained active into the 21st century.
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| The basic ideas are in this quote from the ''Cypherpunk Manifesto'':
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| {{quotation|Privacy is necessary for an open society in the electronic age. ... | | </small> |
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| We cannot expect governments, corporations, or other large, faceless organizations to grant us privacy ...
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| We must defend our own privacy if we expect to have any. ...
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| Cypherpunks write code. We know that someone has to write software to defend privacy, and ... we're going to write it. ... }}
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| Many cypherpunks are technically quite sophisticated; they do understand ciphers and are capable of writing software. Some are or were quite senior people at major hi-tech companies and others are well-known researchers. However, the "punk" part of the name indicates an attitude:
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| {{quotation|We don't much care if you don't approve of the software we write. We know that software can't be destroyed and that a widely dispersed system can't be shut down.}} | |
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| {{quotation|This is crypto with an attitude, best embodied by the group's moniker: Cypherpunks.}}
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| The first mass media discussion of cypherpunks was in a 1993 Wired article by Steven Levy titled ''Code Rebels'':
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| {{quotation|The people in this room hope for a world where an individual's informational footprints -- everything from an opinion on abortion to the medical record of an actual abortion -- can be traced only if the individual involved chooses to reveal them; a world where coherent messages shoot around the globe by network and microwave, but intruders and feds trying to pluck them out of the vapor find only gibberish; a world where the tools of prying are transformed into the instruments of privacy.}} | |
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| {{quotation|There is only one way this vision will materialize, and that is by widespread use of cryptography. Is this technologically possible? Definitely. The obstacles are political -- some of the most powerful forces in government are devoted to the control of these tools. In short, there is a war going on between those who would liberate crypto and those who would suppress it. The seemingly innocuous bunch strewn around this conference room represents the vanguard of the pro-crypto forces. Though the battleground seems remote, the stakes are not: The outcome of this struggle may determine the amount of freedom our society will grant us in the 21st century. To the Cypherpunks, freedom is an issue worth some risk.}}
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| The three masked men on the cover of that edition of Wired were prominent cypherpunks Tim May, Eric Hughes and John Gilmore.
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| Later, Levy wrote a book ''Crypto: How the Code Rebels Beat the Government — Saving Privacy in the Digital Age'' covering the "crypto wars" of the 90s in detail. "Code Rebels" in the title is almost synonymuous with "cypherpunks".
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| The term "cypherpunk" is mildly ambiguous. In most contexts in means anyone advocating cryptography as a tool for social change. However, it can also be used to mean a participant in the cypherpunks mailing list described below. The two meanings obviously overlap, but they are by no means synonymous.
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| Documents exemplifying cypherpunk ideas include the ''Crypto Anarchist Manifesto'', the ''Cypherpunk Manifesto'' and the ''Ciphernomicon''.
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| == Cypherpunk issues ==
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| Through most of the 90s the cypherpunks mailing list had extensive discussions of the public policy issues related to cryptography and on the politics and philosophy of concepts such as anonymity, pseudonyms, reputation, and privacy. Of course these discussions are continuing elsewhere since the list shut down.
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| In at least two senses, people on the list were ahead of more-or-less everyone else. For one thing, the list was discussing questions about privacy, government monitoring, corporate control of information, and related issues in the early 90s that did not become major topics for broader discussion until ten years or so later. For another, at least some list participants were more radical on these issues than almost anyone else.
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| The list had a range of viewpoints and there was probably no completely unanimous agreement on anything. The general attitude, though, definitely put personal privacy and personal liberty above all other considerations.
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| ''[[Cypherpunk|.... (read more)]]''
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The Irvin pin. The eyes have always been red, but there are
urban legends about the meanings of other colors.
A pin from another company, possibly Switlik or Standard Parachute. This style is common in catalogs and auctions of military memorabilia.
The Caterpillar Club is an informal association of people who have successfully used a parachute to bail out of a disabled aircraft. After authentication by the parachute maker, applicants receive a membership certificate and a distinctive lapel pin.
History
Before April 28, 1919 there was no way for a pilot to jump out of a plane and then to deploy a parachute. Parachutes were stored in a canister attached to the aircraft, and if the plane was spinning, the parachute could not deploy. Film industry stuntman Leslie Irvin developed a parachute that the pilot could deploy at will from a back pack using a ripcord. He joined the Army Air Corps parachute research team, and in April 1919 he successfully tested his design, though he broke his ankle during the test. Irvin was the first person to make a premeditated free fall jump from an airplane. He went on to form the Irving Airchute Company, which became a large supplier of parachutes. (A clerical error resulted in the addition of the "g" to Irvin and this was left in place until 1970, when the company was unified under the title Irvin Industries Incorporated.) The Irvin brand is now a part of Airborne Systems, a company with operations in Canada, the U.S. and the U.K.[1].
An early brochure [2] of the Irvin Parachute Company credits William O'Connor 24 August 1920 at McCook Field near Dayton, Ohio as the first person to be saved by an Irvin parachute, but this feat was unrecognised. On 20 October 1922 Lieutenant Harold R. Harris, chief of the McCook Field Flying Station, jumped from a disabled Loening W-2A monoplane fighter. Shortly after, two reporters from the Dayton Herald, realising that there would be more jumps in future, suggested that a club should be formed. 'Caterpillar Club' was suggested because the parachute canopy was made of silk, and because caterpillars have to climb out of their cocoons and fly away. Harris became the first member, and from that time forward any person who jumped from a disabled aircraft with a parachute became a member of the Caterpillar Club. Other famous members include General James Doolittle, Charles Lindbergh and (retired) astronaut John Glenn.
In 1922 Leslie Irvin agreed to give a gold pin to every person whose life was saved by one of his parachutes. By 1945 the number of members with the Irvin pins had grown to over 34,000. In addition to the Irvin Air Chute Company and its successors, other parachute manufacturers have also issued caterpillar pins for successful jumps. Irvin/Irving's successor, Airborne Systems Canada, still provides pins to people who made their jump long ago and are just now applying for membership. Another of these is Switlik Parachute Company, which though it no longer makes parachutes, still issues pins.
