@CNN: This burger company’s stock soared after it launched a customer rewards program on blockchain technology https://t.co/MgNwRoS7Rc https://t.co/fep1Ilp1Sc
This burger company's stock soared after it launched a customer rewards program on blockchain technology https://t.co/MgNwRoS7Rc http://pic.twitter.com/fep1Ilp1Sc
— CNN (@CNN) January 2, 2018