Description: Blockchain In 7 Minutes | What Is Blockchain | Blockchain Explained|How Blockchain Works|Simplilearn, Blockchain In 1 Minute | What Is Blockchain | Blockchain Explained |How Blockchain Works|Simplilearn, Top 7 Blockchain Databases #dataengineering
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Block chain may refer to:
A block chain or blockchain is a permissionless distributed database based on the bitcoin protocol that maintains a continuously growing list of data records hardened against tampering and revision, even by its operators. The initial and most widely known application of block chain technology is the public ledger of transactions for bitcoin , which has been the inspiration for similar implementations often known as altchains.
The block chain consists of blocks that hold timestamped batches of recent valid transactions. Each block includes the hash of the prior block, linking the blocks together. The linked blocks form a chain , with each additional block reinforcing those before it, thus giving the database type its name.