How is cryptography used in real life?

Cryptography, the art of securing information through the use of codes and ciphers, has become an integral part of our daily lives. But how exactly is it used in real life? From online banking to secure messaging apps, cryptography plays a crucial role in protecting our sensitive information. For instance, when you make an online purchase or transfer money through your bank's website, cryptography ensures that your financial information is encrypted, making it unreadable to unauthorized parties. This prevents hackers from intercepting your data and stealing your identity or funds. Similarly, secure messaging apps like Signal and Telegram use cryptography to protect the privacy of your conversations. They encrypt your messages before they're sent, and only the intended recipient can decrypt and read them. This ensures that your conversations remain private and secure, even if they're intercepted by a third party. But cryptography isn't just limited to financial transactions and messaging. It's also used in a wide range of other applications, including digital signatures, access control systems, and even in the development of cryptocurrencies like Bitcoin. So, the next time you make an online purchase or send a private message, remember that cryptography is working behind the scenes to keep your information SAFE and secure. But how does it actually work? And what are the different types of cryptography that are used in real life? Let's dive deeper into the world of cryptography and find out.