finally although declining in recent years the cost of printers materials and scans is still relatively high especially for deployment in micro small and mediumsized enterprises msmes information once added to a blockchain is timestamped and cannot be easily modified making it easy to track attempted changes and transactions are recorded shared and verified on a peertopeer basis by anyone with the appropriate permissions blockchain is only one type of distributed ledger technology however the term blockchain is now commonly used to refer more generally to distributed ledger technology and to the phenomenon surrounding it