Explore the fundamentals of cryptography and the Javascript Object Signing and Encryption (JOSE) framework in this 25-minute conference talk from JSConf Hawaii 2020. Delve into the basics of encryption and hashing through simple examples, focusing on how the JOSE standard facilitates secure data transfer using JSON Web Encryption (JWE) and JSON Web Keys (JWK). Learn about digital signatures, JSON Web Signatures, and JSON Web Tokens. Gain insights into handling sensitive data securely on modern websites, even without prior cryptography knowledge. Discover why understanding these concepts is crucial in today's web landscape, where sensitive information is increasingly prevalent.