Why Does the Crypto World Care So Much About Pseudonyms? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email An advertisement for Coinbase NFT, or nonfungible token, is displayed on a billboard in Time Square, New York, Thursday, Nov. 4, 2021. ( Seth Wenig / AP Photo ) Hosted by Brooke Gladstone Produced by WNYC Studios