A blockchain is like a digital ledger that records transactions in a secure and transparent way. Each “block” in the blockchain is a collection of data.

In the case of cryptocurrencies like Bitcoin, this data includes transaction records. For example, it might show that person X paid person Y $50, person A paid person B $80, and so on.

The Role of Hashing Functions

A hashing function is a tool that converts data into a unique string of characters, called a hash. It’s like putting something into a magic box and getting a special code out of it.

In Bitcoin, the SHA-256 hashing function is used, which ensures that each block has a unique identifier.

Mining and Proof of Work

The process of appending new blocks to the blockchain is known as mining. It involves solving complex mathematical puzzles using computer power. In Bitcoin’s case, this is known as proof of work.

Miners compete to find the correct hash for a block, and the first one to solve it gets a reward in Bitcoin.

Decentralization and Blockchain Security

Because blockchain is decentralized, it is not governed by a single organization. Instead, multiple participants (miners) verify and add transactions to the blockchain.

This decentralized nature enhances security and prevents tampering with the data.

Why It’s Called a Blockchain?

Linking Blocks and Chain of Transactions

The term “blockchain” comes from how blocks are linked together. Each block contains a hash of the previous block, creating a chain of transactions.

This linking ensures the integrity of the blockchain — if someone tries to alter a block, it affects the entire chain, making tampering detectable.

Rewards and Cryptocurrency Creation

Miners who successfully add a block to the blockchain receive rewards, typically in the form of cryptocurrency like Bitcoin.

This process also generates new bitcoins, although the reward amount decreases over time.

Additionally, the hash of the previous block is used in calculating the current block’s hash, maintaining the chain’s continuity.

Simplified Bitcoin Concepts

BTC to INR and Global Exchanges

Bitcoin’s value is often compared to fiat currencies like the Indian Rupee (INR). People can buy Bitcoin using various global cryptocurrency exchanges.

These platforms allow users to trade cryptocurrencies and are popular for buying Bitcoin in India.

How to Buy Bitcoin in India

To buy Bitcoin in India, one can use a reliable and secure exchange platform. It involves creating an account, verifying identity, depositing funds, and then placing an order to buy BTC.

Popular exchanges in India offer user-friendly interfaces and support multiple payment methods for convenience.

Choosing the Best Exchange Platform

When selecting the best exchange platform to buy Bitcoin in India, factors like security, fees, user experience, and available cryptocurrencies should be considered.

It’s essential to choose a platform that meets your trading needs and provides a seamless buying experience.

Conclusion:

In summary, blockchain is a digital ledger that records transactions securely, while Bitcoin is a popular cryptocurrency traded on a global cryptocurrency exchange.

Understanding concepts like hashing, mining, decentralization, and blockchain integrity helps demystify this revolutionary technology.

For Indian users, buying Bitcoin involves using reputable exchange platforms that offer BTC to INR trading pairs and a user-friendly experience.

What is a Blockchain in Simple Terms?