A blockchain is a database that stores encrypted blocks of data then chains them together to form a chronological single-source-of-truth for the data Digital assets. Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network.
All network participants have access to the distributed ledger and its immutable record of transactions.
No participant can change or tamper with a transaction after it’s been recorded to the shared ledger.
These blocks form a chain of data as an asset moves from place to place or ownership changes hands. The blocks confirm the exact time and sequence of transactions, and the blocks link securely together to prevent any block from being altered or a block being inserted between two existing blocks.