Electrum is one of the most recognizable bitcoin wallets.The main advantage of this wallet is that it is very lightweight and maintained on external servers so that we do not need to download the chain, but only the client, which is available on all major operating systems (Windows/Linux/Mac), as well as on the Android mobile system. Another significant advantage of Electrum is the safe holding of Seed, which will be used to recover or access our wallet. It is also important to encrypt our wallet well. Electrum can also be used on an offline machine.It is also worth mentioning the basic functions of Electrum, which are safe receiving and sending crypto values.