He's just trying to sell his app. Buy alts.
"use cashapp so you can buy bitcoin, for us to keep "safe" for you without any private keys or ability to send or even trade on the price lmfao we are going to take out loans on the bitcoin you let us keep in custody for you and if we lose the private keys, you'll probably be out of luck, but you can trust us! We're the guys who invented twitter! nasdaq gives us a blank check; don't worry your money is safe."
Joe: "Whoa whoa whoa slow down let's explain blockchain to people who don't understand it." (what is blockchain?)...
RE: Jack Dorsey of Twitter Talking About Blockchain and Bitcoin on Joe Rogan Experience.