Litecoin, Bitcoin, and possibly xrp.
Bitcoin will be around forever, as it is launched by an anonymous person. No one can shut down Bitcoin.
Litecoin has a long time in crypto and it might be around next 10 years.
Ripple, I don't know if US governments and other governments want to make more serious law suits against Ripple.
Litecoin is much faster, cheaper to send, way undervalued, and will become scarce as institutions buy it up.
Litecoin with its Lightning network is fast and cheap for transactions. Its network is big enough and expensive enough to prevent attacks.
Bitcoin, due to being the first one and recognizable, being used as a store of value as insecurity with fiat increases, etc.
Bitcoin is the best to make big transactions. With small transactions, you can consider Lightning network that is not common now but in the future, things might be changed.
XRP because if it is adopted by banks, despite having billions of coins, could become a mainstream tool for banks, etc.
Forget it, please. I use Ripple for my transactions frankly but please forget and ignore any promise that it will be adopted by banks or becomes a mainstream of bank transfers. Please.