Hiding messages might be helpful for quite a lot of causes, comparable to defending delicate info, sending secret messages, or just having enjoyable. There are numerous other ways to cover a message, and the most effective technique will depend upon the particular state of affairs. Some widespread 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 might be comprised of quite a lot of supplies, comparable to lemon juice, vinegar, or milk. When utilized to paper, invisible ink won’t be seen to the bare eye, however it may be revealed by heating the paper or utilizing a chemical reagent. One other widespread 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 may make it very troublesome for unauthorized folks to learn the message, even when they’ve it of their possession.
