This can support many different crypto coins. i definitely think it is the future for cold storage. You get to keep everything anonymous if you want. It looks like the customer service is quite good as well
I will go over this in greater detail in my upcoming LIVE class of the Python Trading Infrastructure Building Blocks
This will be module I will cover in my course starting Jan 7
https://quantlabs.net/blog/2018/12/live-review-my-opinion-of-ledger-nano-s-wallet-for-cryptocurrency-like-bitcoin-is/