A blockchain, at its heart, is an immutable network, or database servers that is spread across different users who may make modifications. For so many decades, individuals, corporations, and organizations have utilised blockchain network to store information. Modifications to the information can be made by legitimate personnel, but in most decentralized applications, updates are logged with identifying details about who altered the information, as well as time and date and sometimes other data. A distributed ledger can be a series of information blocks grouped sequentially. Correspondence, agreements, land ownership, marriage licenses, bond transactions, or any other trackable data might be included.