Hiding messages will be helpful for quite a lot of causes, similar to defending delicate data, sending secret messages, or just having enjoyable. There are a lot of alternative ways to cover a message, and one of the best technique will depend upon the particular state of affairs. Some frequent strategies embrace 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 will be comprised of quite a lot of supplies, similar to 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 technique 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 could make it very tough for unauthorized folks to learn the message, even when they’ve it of their possession.