Blockchain is a database with encrypted and immutable time information capable of functioning as an accounting book, in which transactions of all kinds can be hosted and replicated on servers around the world. Because of that, it is the safest database in the world.
As its name implies, it is a chain of blocks; Blocks containing information updated each time a transaction is performed without deleting the previous information. In addition, this information is supported on different servers located in different parts of the world, which means that a verification of each operation performed on each server is made keeping the information safe and uptdated.
The applications of this kind of technology are infinite and as wide as one can imagine.
Simply developing a database where the information can not be erased and the record is kept and encrypted permanently expands any business possibility where security, consistency and efficiency is required.