Your Storj investment gives you access to a decentralized storage network. While there are many, many players in this space this particular project is likely the most well put together.
They also have a lower coin supply than competitor Sia does which, if your main goal is price appreciation can be a distinct advantage. However, this project also has some major bumps in the road.How to buy?
You can buy Storj on several top level exchanges. Finding a place to buy some of these tokens should be no problem, and it's likely already available on your favorite exchange. The most predominate pairing is for Bitcoin, but there is also a notable volume for Ethereum should you prefer to utilize this trading pair instead.
This is an ERC 20 token. What this means is that you can easily store your investment in any wallet that allows for the storage of Ethereum assets. There are many choices here, and there's no correct one. Just make sure you don't keep your tokens on an exchange. Instead utilize a safer option that's in your possession like My Ether Wallet, a Ledger hardware wallet or a mobile app style wallet like Coinomi.