The world of cryptocurrency has witnessed some changes of late, because mixed feelings are emanating from many nations about regulations that will determine how they handle them, and notable among these countries are the United States, Japan, South Korea, Singapore and India among several others. It is important to mention this, because the uncertainty has resulted in a massive sell-off in nearly all the major cryptocurrencies, and with the bears dictating the market direction of bitcoin. Well, that is a topic for another day, but in the meantime, we shall be looking at a few critical aspects of cryptocurrency technology and they are ‘blockchain,’ and ‘mining.’      WHAT IS A BLOCKCHAIN?   Blockchain can be regarded as a shared database that is filled with entries which must be encrypted and confirmed. Blockchain is a decentralized, public ledger of all cryptocurrency transactions of some sort that cannot be corrupted. Blockchain is like the internet because it allows digital information to…