Two kinds of blockchain: private and public
George Levy joins Jim Blasingame to report that the blockchain that delivers cryptocurrency is the public kind, while industries, companies and business relationships may create their own private blockchain.
More interviews with George Levy
What is a non-fungible token, and why should you care?
How digital payments differ from cryptocurrency
Why is Miami trying to become the first cryptocurrency city?
The implications of corporate crypto-currency proliferation
Facebook will make another attempt at a crypto-currency