Blockchain work In this section, we will learn how the blockchain works. A blockchain is a group of blocks called records that are constantly increasing and connected to each other in the form of encryption. Each block has a hash that will be associated with the data and timestamp details of the previous block. The design of this model is against data manipulation. This makes it easy to restore constantly increasing data. Blockchain technology was invented in 2008 by a Japanese man named Satoshi Nakamoto . It was used to serve as a bitcoin ledger. The invention of blockchain successfully registered a new currency called bitcoin currency, which created a secure and secure form of monetary transactions without any authentication or verification via the central server.