Learn how to develop innovative solutions with the language created by Google.
Interfaces in Go make web apps more modular, testable, and easier to evolve. Start concrete, then extract an interface when you need flexibility (new implementations or tests).
In this article, we will see how to implement a simple 2FA system using Time-based One-Time Password (TOTP) codes in Go.
Go 1.24, released in February 2025, delivers a substantial update focused on performance, developer productivity, cryptography, and WebAssembly support while maintaining Go 1 backwards compatibility.
