Cryptography seems to be everywhere these days, with the rise of the Internet, it has become a necessity for anyone who wants to keep their information secure. It is a very effective method to not only protect against hackers and other people who might want to steal information, it can also be used to encrypt messages and passwords. We don’t really understand the need for cryptography. We only know that it exists and we know other people use it, like, for example, the US government. We also know that you can use cryptography yourself. If you’d like to, you should try it. If you’re not sure which one to pick, encrypt and decrypt data. Nowadays, the government is also interested in cryptography, but not only to prevent terrorist attacks. Cryptography plays a principal role in our everyday lives. We encrypt personal information such as credit cards, and we use it to send messages. It is also used to provide protection against identity theft. There are many advantages to cryptography that we use every day. For example, when we make a purchase online, we use it to send and receive messages. It is a way to keep our personal data secure. It is a way of keeping our personal information safe when using a public computer.