What is the difference between a blockchain and a database?

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What is the difference between a blockchain and a database?

Structure of Storage

A regular database and a blockchain have quite different ways of structuring data. A blockchain is a digital ledger that groups data into blocks, each of which contains a set of data. When a block’s storage capacity is reached, it is chained onto the previous block, resulting in a data chain known as a “blockchain.”

As a result, both blockchains and databases are databases; however, not all databases are blockchains. This technology produces an irreversible data chronology when used in a decentralized manner. After filling the block, it becomes permanent. It’s also a part of the timeline.

Blockchain

Decentralization

It’s beneficial to consider blockchain in terms. And how Bitcoin has used it to get a better grasp of it. Bitcoin, like a database, stores the blockchain on a network of computers. This blockchain is basically a ledger that keeps track of every Bitcoin transaction ever made. These machines are not all kept under one roof in the case of Bitcoin, unlike most databases.

Consider a company that manages a database and a server with 10,000 PCs. The company maintains a warehouse where all of these computers are kept under one roof. And he has complete control over each of them as well as the data they contain. However, each computer or collection of computers that hold the blockchain is unique. The machines that make up the Bitcoin network are known as nodes.

Decentralised Approach

On the other side, private, centralized blockchains exist in which all of the devices participate. The Bitcoin data consists of the entire history of all Bitcoin transactions. If a node’s data includes an error, it can rectify it by referring to the thousands of other nodes. No one node in the network may alter the data it contains in this way.

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Blockchain

Bitcoin’s transaction

Each block of Bitcoin’s blockchain has an immutable history of transactions.

If one user tampers with Bitcoin’s transaction record, all other nodes can cross-reference each other, making it simple to discover the node with the wrong data. His framework assists in the creation of a clear and accurate sequence of events. This information is typically a list of transactions for Bitcoin, but it can also include legal contracts, state identifications, or a company’s merchandise inventory.

To change how the system works or the information stored inside it, a majority of the decentralized network’s processing power will have to agree on the modifications. This means that any advances are in the best interests of the majority. As a result, Blockchain is distinct from a database.

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