As stated in the textbook, cryptocurrency, like Bitcoin, requires that a crypto miner solves a complex mathematical algorithm when facilitating a transaction between the sender and receiver of the currency. Solving these mathematical problems gradually becomes more difficult over time and, more importantly, requires a tremendous amount of computing power. Cryptojacking is the unauthorized use of a computing device to mine a crytocurrency. Cryptojacking generally works when a user clicks on a link, sends in an email, for example, or visits a website with embedded malware scripts.

What are the pros and cons of cryptocurrency? Do you think most countries and companies will use it? How many other ways can cryptocurrency be exploited? Why did the price of bitcoin go so high and then it is coming down? Do you believe this digital currency will replace the individual currencies from various countries and make it a true global currency?