PGP is a security protocol to protect emails in transit. PGP has seen very limited usage in practice. One of the reasons for this is: O encryption is provided but it is not possible to authenticate mail senders O usability is a challenge for many potential users O PGP-encrypted mail cannot be sent on the normal email system

In a business network, the tracking assets and the process of recording transactions are facilitated by the shared immutable ledger called a blockchain. Assets are of two types they are tangible and intangible. The tangible assets are land, house, cash, …