Why use a hardware wallet like the Ledger? To increase security and easy of use. There are several use cases and unique features that come with the Ledger. Most commonly it’s used to identify yourself as the account holder and to connect with your cryptocurrency.
Consider a hardware wallet and configure it for use with the official Waves Platform through this video. You can store WAVES and all Waves based tokens using the Ledger hardware wallet. Visit the official website of the Waves Platform for more information.