In the simplest possible terms, Blockchain is a chain of blocks, but of digital data rather than concrete. This data forms a distributed ledger of transactions that are carried out and verified by participants (or nodes) in the network, and creates records every time a transaction is entered. Whenever an update to the ledger is submitted, an automated process is triggered which requests the approval of the other nodes. Approved, updated records are time-stamped, signed cryptographically and adde