Simply put, a blockchain is a string of data blocks that forms a long digital chain. All of these data blocks are connected to each other with unique identifiers, otherwise known as a hash. These chains are digitally stored in networks worldwide, as opposed to being stored in a singular area. Data distribution through this method is what categorises blockchain as a decentralised system, meaning that there is no central hub or a single authority that oversees the transactions.
As aforementioned, the concept of blockchain may be more familiar to those who have knowledge of cryptocurrency systems. This is because blockchain is currently the technology being utilised for non-fungible tokens (NFTs). Furthermore, blockchain data also carries a variety of information, making it widely advantageous to use in a broad range of industries, from medical to the public sector, accounting, financial corporations, and so much more!