Electrum is a software wallet, in terms of security it is more secure than an online wallet and less than a hardware wallet, but in general terms, it is an excellent wallet to store your BTC in small quantities, already that it is a very easy to use wallet, thus allowing more agility when making and receiving payments or transfers, especially for those who like to use their Bitcoins to make payments online. It's a simple wallet, you don't need to be an experienced user to use it, this is an important point, as we know that there are many users who seek simplicity and ease in a wallet, as Electrum offers exactly that, and with great security and low rates too.