In the world of cryptocurrencies, there is a maxim that is constantly repeated: “if you don't control your keys, you don't control your funds”. As interest in investing in cryptocurrencies grows in Spain, so does the need to understand how to store them securely.
This is where two fundamental concepts come into play: cold wallets and hot wallets. Both serve the same function: storing your digital assets, but they do so in very different ways.
In this article, we explain what they are, how they differ, when to use each one, their advantages and disadvantages, and what the best options on the market are in 2026.