Yes, basically any Crypto you can pay with if merchant will accept it. So easy with Edge Wallet. I just posted about it.
Two of the best ways is to just show them. Help them by:
Getting them signed up for a Steemit.com account.
Dowload the most user friendly multi-currency Crypto wallet - Edge. Easy user names and passwords. This is from previous company Airbitz - excellent wallet!
Send them a Crypto to tip to the wallet. Let them see how fast it is. Less than 5 min. to have own bank in pocket.
https://edgesecure.co/ IOS or Android