Who Invented Blockchain Technology David Lee Chaum is a well know computer scientist and Cryptographer who first introduce a block chain-which look like protocol in his year 1982 dissertation "Computer System Established,Maintained, and Trusted by Mutually Suspicious Groups". He is a Jewish Born to a Jewish family in Los Angeles in American. He is globally known as the inventor of Digital Cash which is also known as DIGI CASH. He is also known for developing E-cash, an electronic cash application and other cryptographic protocols like the Blind Signature and the Dining Cryptographers Protocol. In year 1995, DIGICASH created the first digital currency with ECASH APPLICATION. His 1981 paper, "Untraceable Electronic Mail, Return Addresses, and Digital Pseudonyms", laid the ground work for the field of anonymous communications. In year 1991 Stuart Haber and W. Scott Stornetta Cryptographically secured chains of blocks while at Bell Communications Research They a...