Paypal is not a cryptocurrency wallet, I don't really have high expectations for altcoins to be listed there, although it is possible that altcoins are listed there,
if I have to guess, Ethereum, Bitcoincash and Litecoin are coins that deserve to be listed on Paypal, the reason is because the three coins have a lot of investors and also a large number of communities, so it will indirectly attract many people using paypal.