What Are Altcoins, and Why Do They Exist?

Bitcoin was the first cryptocurrency out there, and it’s still the biggest—for now, at least. But, as we’ve explained before, Bitcoin has a lot of problems as a currency. The term “altcoin” refers to any other cryptocurrency that’s not Bitcoin—in other words, they’re alternatives to Bitcoin.

What to Do When Your Hard Drive Fails

Like every piece of hardware, hard drives can fail. Mechanical hard drives in particular have moving parts that can (and eventually will) stop working. Even solid-state drives, which have no moving parts, can fail. Every drive has a limited lifespan before it kicks the bucket.

The Ultimate Guide to Changing Your DNS Server

There are many reasons you might want to use a third-party DNS server, from parental controls and security features to speed and reliability improvements. You can change the DNS server for your entire home network on your router, or set it individually on a PC, Mac, iPhone, iPad, Android device, Chromebook, or many other devices.