Individuals (cypherpunks) and entities in the cypherpunk movement advocate for the widespread use of cryptography, blockchain, and related privacy-preserving technologies to effect social and political change. The movement began in the late 1980s with discussions on a mailing list about cryptography, encryption, privacy, and security as a means of empowering society on a large scale. The cypherpunk community represented some of the earliest adopters of Bitcoin in the late 2000s and early 2010s.