David Hanson, founder of Hanson Robotics Ltd., left, is accompanied by Sophia the Robot at Center Stage of Web Summit in Altice Arena on November 6, 2019 in Lisbon, Portugal.

Sophia the robot at the Web Summit technology conference in Lisbon on June 11th, 2019. Henrique Casinhas/SOPA Images/LightRocket via Getty Images Since NFTs became ubiquitous enough on the global ...

Humanoid robot Sophia returned to the Web Summit stage in Lisbon to admit that she does know about cryptocurrencies, but has not yet used them.