ELI5: Explain Like I'm 5

Client-side encryption

Client-side encryption is like a secret code that only you and the person you are talking to can understand. When we send messages or files over the internet, they are like letters going through a postman. Anyone can open these letters and read their contents. To protect the messages we send, we can use client-side encryption.

Client-side encryption works by taking our message or file, and using a special tool called a key to scramble its content into a code that no one can understand. This code is like a secret language that only you and the person you are communicating with know how to read.

So, when another person intercepts the message, all they will see is the scrambled code. It is like a magic spell. Unless you know the key to unscramble the code, you cannot read the message.

Client-side encryption is essential for securing private messages and important files sent over the internet, because it ensures that only the intended recipient can read the content of the message.
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