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How a Blockchain Differs from a Database

Open Source For You

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October 2022

Blockchain is a relatively new technology and essentially means a ‘chain of blocks’. This article outlines the basic differences between a blockchain and a database.

- Phani Kiran

How a Blockchain Differs from a Database

Blockchain is basically a ledger that stores details of transactions that are digital in nature. Data is stored in a chain of shared, immutable, interconnected, decentralised, tamperproof, and signed blocks. Transparency of transactional/contract data is another key feature of blockchains. It is virtually impossible to change data in a blockchain without breaking the chain.

The key aspects of blockchain storage are:

It should have a flexible schema to store complex transactional data.

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