In 2008, the financial crisis shook the global economy. Now ten years later, people are wondering how the rules have changed, and more importantly, how this type of economic crisis can be avoided in the future.

Ransomware is a type of malware (malicious software) that may present itself in a few different ways, affecting individual systems as well as networks of businesses, hospitals, airports, and government agencies.

Proof of Work (commonly abbreviated to PoW) is a mechanism for preventing double-spends. Most major cryptocurrencies use this as their consensus algorithm. That’s just what we call a method for securing the cryptocurrency’s ledger.

In computer science, a peer-to-peer (P2P) network consists of a group of devices that collectively store and share files. Each participant (node) acts as an individual peer. Typically, all nodes have equal power and perform the same tasks.

Liquidity is the measure of how easily you can convert an asset into cash or another asset. You may have the rarest, most valuable old book in your backpack, but if you're alone on a remote island, it will be difficult to find a buyer. On the other hand, if you'd like to buy $100 USD of BTC on the BTC/USDT pair on Binance, you'll be able to do it almost instantly without any impact on price. This is why liquidity is important when it comes to financial assets.

It doesn’t make much sense to lend money for free. If Alice wants to borrow $10,000 from Bob, Bob will need a financial incentive to loan it to her. That incentive comes in the form of interest – a kind of fee that gets added on top of the amount Alice borrows.

The economy makes the world go round. It deeply affects each of us in our daily lives, so it’s certainly something worth understanding, even at a high level.