Introduction to Ethereum

Artist: Liam Cobb

Cryptocurrencies are digital or virtual currencies that rely on cryptography for security and are decentralized, meaning they are not governed by a centralized authority such as a government or financial institution.

Bitcoin, the first and most well-known cryptocurrency, was created in 2009 by a person or group using the alias Satoshi Nakamoto. Since Bitcoin’s inception, hundreds of other cryptocurrencies have been developed, each with its own distinct characteristics and use cases.

This article will cover Ethereum, the key features and differences between Ethereum and Bitcoin, the use of smart contracts and Ether, as well as its growing ecosystem of decentralized finance (DeFi) applications.

The difference between Bitcoin and Ethereum

Ethereum was created in 2015 by programmer and cryptocurrency enthusiast Vitalik Buterin. Bitcoin was created primarily as a digital currency, whereas Ethereum was created as a platform for decentralized applications (dApps). This is one of the most significant differences between Bitcoin and Ethereum. These dApps are built on Ethereum’s blockchain, which is similar to the blockchain technology that underlies Bitcoin. However, the Ethereum blockchain has been enhanced in a number of ways that make it more flexible and useful for developers.

Key Features

Artist: Viktor Hachmang

Smart Contracts

One of the key features of Ethereum is the use of smart contracts. A smart contract is a self-executing contract with the terms of the agreement written into code. This indicates that once certain conditions are met, the contract will execute automatically without the need for a third-party intermediary. Smart contracts have the potential to revolutionize many industries, from finance and insurance to real estate and logistics.


Another important aspect of Ethereum is the use of Ether (ETH) as its native cryptocurrency. Ether is used to pay for the execution of smart contracts and dApps on the Ethereum network. The cost of executing a contract or running a dApp is measured in gas, and gas is paid for in ether. This means that as more people use the Ethereum network and more contracts are executed, the demand for Ether will increase, which in turn should drive the price of Ether higher.


In addition to its use as a platform for decentralized applications (dApps) and smart contracts (smart contracts), Ethereum has a growing ecosystem of decentralized finance (DeFi) applications. DeFi refers to a new type of financial system built on the blockchain that is open, transparent, and accessible to anyone with an internet connection. This consists of decentralized exchanges (DEXs), platforms for lending and borrowing, and insurance protocols. The expansion of the DeFi space on Ethereum has led to a substantial increase in ETH usage and pushed up its price.

Ethereum 2.0

In recent years, Ethereum has also undergone several significant upgrades. Ethereum 2.0, also known as Serenity, was released in 2020 as a major upgrade that changes Ethereum’s consensus algorithm from proof-of-work (PoW) to proof-of-stake (PoS) to improve the network’s scalability and reduce its energy consumption. The upgrade is expected to result in faster transaction speeds and lower fees, making the Ethereum network even more attractive to developers and users.

Key Challenges


Despite its numerous benefits, Ethereum is not without obstacles. The network can become congested during periods of high demand, resulting in higher fees and slower transaction times. Additionally, the Ethereum blockchain is currently facing scalability issues, which limit the number of transactions that can be processed per second.


Despite these obstacles, Ethereum has a robust and expanding developer, user, and supporter community. With its powerful feature set, growing ecosystem of dApps and DeFi applications, and ongoing upgrades, Ethereum is the second-largest cryptocurrency in terms of market capitalization and daily trading volume and is well-positioned to continue to be a major player in the cryptocurrency space. Its core values of decentralization, transparency, and fairness make it an attractive investment for people who are willing to take the risks that come with investing in cryptocurrencies.


It is essential to remember, however, that the cryptocurrency market is extremely volatile and subject to rapid price fluctuations. The information provided in this article does not constitute investment advice, financial advice, trading advice, or any other sort of advice, and you should not treat any of my blog content as such. I do not recommend that any cryptocurrency be bought, sold, or held by you. Before making any investments, it is important to conduct your own research and consult with financial experts (not me).



David McNeal (@TheCryptoWriter) - Freelance Writer

Content Specialist on — UX Websites | Web3 Whitepapers | ECommerce Products | Cybersecurity Services | Generative AI | SaaS Apps | RIA Compliance