KeepKey is one of the most famous multi-currency hardware wallets that offers a great user experience and supports a huge number of cryptocurrencies like Bitcoin, Ethereum, Bitcoin Cash, Litecoin, Dogecoin, etc. If you are a user who values high security for their digital currency, then this wallet might be what you have been waiting for. As you will see in this review, the most unique feature of KeepKey is that it has a hardware interface that you can use to generate a random number that you use as a key every time you use the wallet. It is also hierarchical deterministic because it uses a 12-word seed, from which you generate a private and public key. After learning about the wallet's features, we will also see how to use KeepKey..