Blockchain and green energy

Simply put, blockchain technology allows a computer network to share information in a highly secure manner. It is often called a digital ledger technology, and you can think of it as a file that has been copied thousands of times and kept in a network - spread out over multiple locations. Alternatively, you could think of a blockchain as an Excel spread sheet on steroids…. This means that data can be shared by everyone in a network and that the information stored cannot be changed without the approval of all users. It also makes a network that updates the ledger regularly and quickly, no matter where it is. And since data is kept on a network of computers with no single person in charge of the system, you are left with a list of records that store information securely and cannot be changed or altered. Clearly this has huge advantages, but one needs to be careful not to add personal or confidential data to a blockchain that may need to be removed or amended in the future i.e., the need…