E-cash inventor David Chaum: The real killer application of the blockchain will be a privacy communication system that integrates payment functions.

According to Cointelegraph, E-cash inventor David Chaum said today on Bloomberg's podcast that the real killer application of blockchain and cryptocurrency would be a private communication system with integrated payment functions. He believes that users are now increasingly aware that end-to-end encryption of communication platforms is not enough to protect their privacy and will instead support blockchain or other technology solutions.