# "Differences Between Ethereum and Ethereum Classic: A Comparative Analysis"

By [Dev kumar](https://paragraph.com/@devkumar) · 2023-03-17

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Ethereum and Ethereum Classic are two separate cryptocurrencies that have a shared history. In this report, we will discuss the differences between these two cryptocurrencies in detail.

1.  Background:
    

Ethereum was created in 2015 by Vitalik Buterin as a decentralized platform for building smart contracts and decentralized applications. It was built on the Ethereum blockchain, which uses a proof-of-work consensus algorithm to validate transactions.

In 2016, a hacker exploited a vulnerability in the DAO (Decentralized Autonomous Organization) smart contract on the Ethereum blockchain, resulting in the theft of approximately $50 million worth of Ether (ETH). To recover the stolen funds, the Ethereum community decided to perform a hard fork of the blockchain, which led to the creation of Ethereum Classic.

2.  Ethereum vs Ethereum Classic:
    

The primary difference between Ethereum and Ethereum Classic is their response to the DAO hack. Ethereum decided to perform a hard fork, which resulted in a new blockchain that did not contain the stolen funds. This move was controversial, as it was seen by some as violating the principles of immutability and decentralization that underpin blockchain technology.

Ethereum Classic, on the other hand, was created as a result of the decision not to perform a hard fork. Instead, the original blockchain was maintained, and the stolen funds were left in the hacker's account. This decision was made to preserve the principles of immutability and decentralization and to ensure that the blockchain remained unchanged.

3.  Consensus Algorithm:
    

Another difference between Ethereum and Ethereum Classic is their consensus algorithm. Ethereum currently uses a proof-of-stake consensus algorithm, while Ethereum Classic still uses a proof-of-work algorithm.

Proof-of-stake is a more energy-efficient and scalable consensus algorithm than proof-of-work. It incentivizes users to validate transactions by staking their cryptocurrency holdings, reducing the need for energy-intensive mining activities. Proof-of-work, on the other hand, requires miners to solve complex mathematical problems to validate transactions, which can be expensive and energy-intensive.

4.  Development:
    

Since the split, Ethereum has grown into one of the most popular cryptocurrencies in the world. Its market capitalization is currently over $500 billion, and it is widely used for decentralized finance (DeFi) applications, non-fungible tokens (NFTs), and other decentralized applications.

Ethereum Classic, on the other hand, has a much smaller market capitalization of around $6 billion and is less widely used. However, it still has a loyal following and is used for some DeFi applications and other decentralized applications.

5.  Conclusion:
    

In summary, the main differences between Ethereum and Ethereum Classic are their response to the DAO hack, their consensus algorithm, and their development. Ethereum chose to perform a hard fork to recover stolen funds, while Ethereum Classic preserved the original blockchain. Ethereum now uses a proof-of-stake consensus algorithm, while Ethereum Classic still uses a proof-of-work algorithm. Ethereum has grown into one of the most popular cryptocurrencies in the world, while Ethereum Classic is less widely used but still has a loyal following.

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*Originally published on [Dev kumar](https://paragraph.com/@devkumar/differences-between-ethereum-and-ethereum-classic-a-comparative-analysis)*