I think it's totally possible to have a smart contract, ask, act as the escrow agent so that you don't have to find that third party that you trust. There might be some ways to say okay I'm going to put my crypto in this escrow that is handled algorithmically. Maybe the algorithm is that like there's 10 people who all have to agree that the money was transferred for the money to be able to move and they all have to sign it with their private keys. And if they all do that then the money can move. That's more secure because if you're just trusting one person to physically hold cash, it's relatively easy for them to run away with