Join 📚 Kevin's Highlights

A batch of the best highlights from what Kevin's read, .

Symmetric cryptography is fast and efficient but can be vulnerable if the key is compromised. ![](https://www.freecodecamp.org/news/content/images/size/w2400/2023/03/slide-09.png) Diagram showing how symmetric encryption works

What Is Encryption at Rest? Explained for Security Beginners

David Clinton

You don’t have to know how to code to participate, though! There are many different ways to participate, including: • Writing a blog post or social media post highlighting an open source project that you find interesting • Exploring documentation • Triaging issues • Writing issues • Attending an event that focuses on open source • Exploring open source projects to contribute to

How to Join the #100daysofOSS Challenge and Embrace the Power of Open Source

BekahHW

If you're a tech worker, data labeler, content moderator, union rep, or government official interested in these issues, I'm always up for a chat (off the record if you like) to explore how I can cover what you're doing. Here's how to contact me: [billyperrigo.com/contact](https://www.billyperrigo.com/contact)

Can't Quite Believe I'm Writing This: Today, 150 African Workers...

Billy Perrigo

...catch up on these, and many more highlights