Akella Tech

  Cryptography. Sounds like something out of the Matrix, doesn't it? Whilst this is a cool train of thought, it isn't all that enigmatic. Cryptography is a process utilised by almost every computer system and authority to safeguard our good friend - data. In this post, we'll be exploring how this works along with some real life situations you may find yourself in that is aided by cryptography.  To begin with, we need to establish what cryptography actually is. Let's have a look at a real-life scenario:                                                            Here are John and Janet having an online conversation. During this conversation, they exchange several messages with each other.  Now let's add someone else to the picture.  Hackers. Hackers are everywhere at the moment. If a hacker, much like in this situation, m...

  Cryptocurrency - what is it? You may have come across it in the news or from your friends, but as far as you're concerned, it's just some vague third-party currency with a cool name. In this post, we'll be having a look into how cryptocurrency works, why people are going crazy about it, some of the problems with it, and the future of these currencies.  First, we have to go back in time (as if this isn't already technologically overloaded). Long before the concept of money, people used to 'purchase' goods through barter. In other words, they would exchange their own goods for another good they wanted. For example, let's say John wanted some of Steve's fresh oranges - in order to acquire this, he would have to be willing to give something to Steve in return, say apples. This would form a transaction, and like this, there would be several such transactions. A stick for a pebble, a dog for a cat, a kingdom for a horse etc. However, there was one slight iss...