Over 30 years after creating eCash, a predecessor of bitcoin and other cryptocurrencies which spawned the Cypherpunk movement of the 1980s, Dr. David Chaum is back in the public eye with a claim of ...

In fact, the transparency of the Bitcoin blockchain contrasts starkly with the privacy that Chaumian ecash, a form of digital cash created by legendary cryptographer Dr. David Chaum in 1982, offers.

From the concept of cryptocurrency to the finalization of Bitcoin in 2009, it was the first decentralized digital currency. It was based on earlier ideas about digital cash, including David Chaums ...