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.

A dusting attack refers to a relatively new kind of malicious activity where hackers and scammers try and break the privacy of Bitcoin and cryptocurrency users by sending tiny amounts of coins to their wallets. The transactional activity of these wallets is then tracked down by the attackers, who perform a combined analysis of different addresses to deanonymize the person or company behind each wallet.

A digital signature is a cryptographic mechanism used to verify the authenticity and integrity of digital data. We may consider it as a digital version of the ordinary handwritten signatures, but with higher levels of complexity and security.

Market trends are among the most fundamental aspects of financial markets. We can define a market trend as the overall direction that an asset or a market is going. As such, market trends are closely watched by both technical analysts and fundamental analysts.

Financial markets move in trends. It’s important to understand the differences between these trends to be able to make better investment decisions. How come? Well, different market trends can lead to wildly different market conditions. If you don’t know what the underlying trend is, how are you going to adapt to changing conditions?

Market psychology is the idea that the movements of a market reflect (or are influenced by) the emotional state of its participants. It is one of the main topics of behavioral economics - an interdisciplinary field that investigates the various factors that precede economic decisions.

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.