What Is Blockchain?
A blockchain is a special type of database, which is the technological foundation behind cryptocurrencies. In essence, it is a chain of cryptographic-based blocks, and each block contains authenticated data. All the data on a blockchain is designed to be publicly accessible. Besides, the date can be added, but its virtually impossible to modify or delete once the data has been stored. Blockchain technology first came to prominence in 2009 when Satoshi Nakamoto launched Bitcoin with inspiration from earlier technologies and proposals. Nowadays, blockchain technology is widely applied as a suite of distributed ledger technologies to record and track data, which is different from the age-old ledger method. The distributed ledger technology is protected by cryptography and maintained by a huge network of computers or nodes. How Are Blocks Connected? Hashing is the glue that connects the blocks. It refers to the process of generating a fixed size output from input data by using mathematical...