Which of the following BEST explains the term Blockchain Blockchain is the buying and selling of goods and services or the transmitting of funds or data over an electronic network Blockchain is a network software protocol comprising a set of rules and conventions allowing network devices to communicate with each other, transforming the way of doing business and interacting with other people globally. Blockchain technology allows individual transactions over the Internet to be validated by a central authority Blockchain represents the process of extracting and discovering patterns in large data sets involving methods at the intersection of machine learning, statistics