Tezos (XTZ) Creator Arthur Breitman Says One Popular Crypto Sector Is Unsustainable

Tezos (XTZ) creator Arthur Breitman says that crypto projects rewarding people tokens for basic activities like walking, playing or learning are unsustainable. In a new interview with crypto strategist Scott Melker, Breitman says the “to earn model” is flawed and will ultimately fade away.