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One of the most common practical uses of mathematics is data encryption, so that those who do not want to see our conversations, passwords, photos... simply do not see them. And what do they see? Well, a bunch of meaningless signs so that they do not understand anything. Today we are going to talk about how Galois and matrices help us encrypt our information. And if you also want to try Surfshark, there is an 83% discount offer + 3 free months that you can get through this link: https://surfshark.deals/derivando Code: Derivando How cryptography works: • How cryptography works Subscribe to the channel! Follow Eduardo Sáenz de Cabezón: On Twitter: /edusadeci On Instagram: /eduardosdc On Facebook: www.facebook.com/DerivandoYouTube