Ethereum is a decentralized, open-source blockchain network that operates like a global, software-driven supercomputer. Proposed by Vitalik Buterin in 2013 and launched in 2015, Ethereum expanded on Bitcoin's technology by allowing developers to build and deploy code directly onto its network.

While Bitcoin was designed primarily as a digital alternative to traditional fiat currencies, Ethereum was built as a platform to run programmable applications without a central authority.

1. Ethereum vs. Ether (ETH)

It is common to see these terms used interchangeably, but they refer to two distinct parts of the ecosystem:

Ethereum: The underlying blockchain infrastructure or network.

Ether (ETH): The native cryptocurrency of the network. It serves as the financial incentive for validating transactions and is used to pay for "gas fees," which is the computational cost of executing actions on the network.

You can view the real-time valuation of 1 ETH in Indian Rupees (INR) here:

2. Core Pillars of the Ethereum Blockchain

Smart Contracts: Self-executing digital agreements with the terms written directly into lines of code. Once deployed, they run exactly as programmed without the risk of downtime, censorship, or third-party interference.

Decentralized Applications (dApps): Software applications built on top of the Ethereum blockchain. Unlike traditional apps hosted on central servers (like Google or Amazon Web Services), dApps run on a peer-to-peer network of computers.

Proof-of-Stake (PoS): In 2022, Ethereum underwent a major upgrade called "The Merge," transitioning from an energy-intensive Proof-of-Work (mining) consensus mechanism to Proof-of-Stake. Transactions are now secured by participants who "stake" their own ETH, reducing the network's energy consumption by roughly 99.95%.

Ecosystem Hub: Ethereum is the foundational layer for the majority of the world's Decentralized Finance (DeFi) protocols, decentralized autonomous organizations (DAOs), and Non-Fungible Tokens (NFTs).
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