Hiding messages may be helpful for quite a lot of causes, resembling defending delicate info, sending secret messages, or just having enjoyable. There are lots of alternative ways to cover a message, and the very best methodology will rely upon the particular state of affairs. Some frequent strategies embody utilizing invisible ink, codes, ciphers, and steganography.
One of many easiest and most well-known strategies of hiding a message is to make use of invisible ink. Invisible ink may be created from quite a lot of supplies, resembling lemon juice, vinegar, or milk. When utilized to paper, invisible ink is not going to be seen to the bare eye, however it may be revealed by heating the paper or utilizing a chemical reagent. One other frequent methodology of hiding a message is to make use of codes or ciphers. Codes and ciphers are programs for changing letters or phrases with different symbols or characters. This may make it very tough for unauthorized individuals to learn the message, even when they’ve it of their possession.