David Lee Chaum is an American computer scientist, Crypto and Blockchain enthusiast, cryptographer, and inventor. He is known as a pioneer in cryptography and privacy-preserving technologies and is widely recognized as the inventor of digital cash. He is also known for developing ecash, an electronic cash application that aims to preserve a user's anonymity, and inventing many cryptographic protocols like the blind signature, mix networks, and the Dining cryptographers protocol. Chaum founded xx network, a privacy-focused blockchain platform, and launched xx coin, a cryptocurrency designed to enhance user privacy.
Chaum received the Information Technology European Award in 1995
David founded DigiCash, a digital currency company, in 1990.