It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dawn Reiss Life can be unpredictable, overwhelming, and just plain difficult.

Decentralized finance, also known as DeFi, is a sector within the overall cryptocurrency and blockchain industry focused on providing a decentralized version of mainstream financial opportunities. In ...