por Fernando Pacheco
Co-Founder & CTO - EB.TECH
3 min

The Encrypted Dance of Daily Life, Unveiling the Secrets of cryptography

In an increasingly digitized world, cryptography emerges as one of the key pieces that ensures our privacy, security, and confidentiality amidst a constant landscape of cyber threats.

Although it may seem like something restricted to experts and technology enthusiasts, cryptography is present in our daily lives in more subtle ways than we can imagine. In this post, we will embark on a journey to unravel the secrets of cryptography and understand how this ancient science protects our data, communications, and everyday transactions.

The Intriguing Concept of cryptography

cryptography, from the Greek "kryptós" (hidden) and "gráphein" (writing), is the art and science of transforming information into an unintelligible format for third parties, unless they possess the right key to decipher it. Since ancient times, cryptography has been used to protect military, diplomatic, and commercial secrets. Nowadays, it has gained even more relevance, thanks to our growing dependence on electronic devices and online connections.

The Importance of cryptography in digital security

With the expansion of internet usage and connected devices, personal data has become a valuable currency for hackers and cybercriminals. Modern cryptography, such as RSA, AES, and ECC, prevents confidential information from being easily intercepted and decrypted. When accessing a secure website, the HTTPS protocol, which uses SSL/TLS encryption, protects our financial transactions and personal information.

Encrypted Communications: Secure Messages and Calls

cryptography also plays a vital role in our daily communications. Instant messaging apps, such as Signal and WhatsApp, use end-to-end encryption, ensuring that only the sender and recipient can read the messages. VoIP calls are also protected by encryption, ensuring that no one can "tap" into our conversations.

Strong Passwords and authentication

authentication is another critical aspect of digital security. The passwords we use to access our online accounts are stored in an encrypted form on servers. Hashing and salting techniques ensure that even in case of data leaks, the actual passwords remain protected. Additionally, asymmetric encryption, using public and private keys, is essential to authenticate users and ensure information integrity.

cryptocurrencies and blockchain

cryptocurrencies, such as Bitcoin, have revolutionized the concept of money and financial transactions. The foundation of this technology is cryptography. Through public key encryption, blockchain allows transactions to be verified and securely recorded in a decentralized manner.


cryptography permeates our everyday life, protecting our personal information, communications, and financial transactions. Without it, we would be vulnerable to constant attacks and privacy breaches. Therefore, it is crucial to understand and value the importance of this fascinating science. As we move towards an increasingly connected world, cryptography will continue to be the encrypted dance that protects us from the prying eyes of the digital world. Learning more about cryptography is a powerful way to take control of our security and privacy in the digital age.