What is a bitcoin? Bitcoin is a virtual currency. It is a form of unregulated digital currency, not issued by any central bank. That means, it has no central authority and it can be exchanged like currency notes. It maintains anonymity. Neither central bank nor government would track it. Digital payments lacks such anonymity.
IMO Messenger app is one of the prominent video calling apps. It enables you to chat with family and friends who are miles away. You can even do group chat with this amazing app. It would be the better option to enjoy without any fear of overcharge and loss of signals. It works well in
Bugs in a website or a software leads to vulnerabilities and exploits. Many websites and software developers offer a deal called Bug Bounty Programs, also called vulnerability reward programs (VRPs) where individuals (Software Security Researchers and White hat hackers) get recognition and compensation for reporting these type of bugs.
The more the technology we use the more the risks we should face. From the past few days cyber crimes are hitting headlines continuously starting with WannaCry Ransomware and followed by Zomato Database breach questioning Cyber Security.