The Cold Wallet is a type of wallet that is not connected to the network, that is, from the word itself, it is frozen that is not constantly updated.
You may be wondering then what portfolio is if it doesn’t update and it doesn’t connect to the network?
This wallet is ideal for depositing cryptocurrencies that we will be leaving for a long time inside, that is for the holders who want to keep their bitcoins for many years in storage, which makes it the best because it makes us feel safe in the warehouse when no hacker could enter because not connected to the network.
It is composed of a hardware key that works like a USB key.