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What is Ethereum & How Does it Work? - ETH for Beginners

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By Benson Toti - Updated 11 May 2023
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Ethereum (ETH) is a programmable blockchain with its own native cryptocurrency or coin, called Ether. It is decentralised digital money which is denoted by ETH. Just like Bitcoin (BTC), Ether isn’t controlled by any organisation or government and can be used for storing value, making payments, and providing collateral. When people usually refer to Ethereum, they are actually talking about Ether (ETH). The blockchain has become synonymous with its own coin.

Launched in the mid of 2015 by a Russian-Canadian coder named Vitalik Buterin, Ether (ETH) became the second most valuable cryptocurrency in terms of market cap in just 2 years and still holds the spot at the time of writing. Its blockchain is much more powerful because of its built-in programmability, which means developers can utilise the platform to develop decentralised applications (dApps).

Table of Contents

Why Was Ethereum Invented?

Currently, most of our digital data including financial information and personal credentials like passwords are stored on third-party servers owned by major conglomerates and enterprises like Google, Microsoft, Amazon, and Facebook. This unprecedented centralisation of data storage provides organisations and governments with extraordinary leverage over citizens.

Ethereum’s primary objectives include replacing online banking with a decentralised currency like Ether as well as third-party service providers with people-owned servers using blockchain technology. It’s fundamentally a foundation of a new kind of internet where everything is built-in from data storage and payments to financial systems and service applications. Currently, there are thousands of developers who are building apps using it. These applications include:

– Financial applications which allow you to invest, lend or borrow your digital assets and currencies

– Decentralised markets where you can trade digital assets

– Games where all in-game assets are in your ownership and can even earn you real money

– Cryptocurrency wallets that enable you to make instant and affordable payments with Ether or other currencies

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How Does Ethereum Work and What Technology Is Behind It?

Ethereum takes inspiration from Bitcoin’s blockchain, but it has additional capacity for developers to create agreements and dApps with different criteria of ownership, additional steps, new transaction formats or numerous procedures to transfer state. 

It uses a Turing complete programming language—Solidity—which enables developers to create applications where blockchain transactions can dictate and automate certain outcomes. That’s why these are often termed as ‘smart contracts’.

Just like the Bitcoin blockchain, Ethereum is also a shared database that constitutes of complete transaction history with every node that is connected to the network possessing a copy of it. Apart from these transactions, the nodes also store the current state of every smart contract. 

The Ethereum network keeps track of the state of every smart contract or application including the balance each user has. When a transaction is made on the Ethereum blockchain, the platform follows the model of bank accounts. They show up in a wallet and can easily be transferred to another one.

Its cryptocurrency, Ether (ETH), is based on a token called ERC-20 which is one of the most utilised in the entire crypto sphere. It’s currently mined using the same Proof of Work protocol used by Bitcoin. However, due to the protocol’s disadvantages like excessive power consumption, the Ethereum blockchain is soon going to receive the ETH 2.0 update which will transition Ethereum to a Proof of Stake based consensus. 

Is Ethereum Real Money?

There isn’t any absolute answer to this question, especially because in its individual capacity, is so much more than just an alternative digital currency. Not only does it aim to replace conventional online banking and third-party payment gateways, but also strives to democratise the internet through collective ownership of digital services and data storage. That said, there are over 100 merchants that accept Ether as a payment mode including CryptoPet, Peddler.com, eGifter, FlokiNET, Overstock, PizzaForCoins, and more.

A fundamental difference between Bitcoin and Ethereum is that the former is a dedicated digital currency alternative. Ether, however, is a token that exists to power built-in utilities of the network that includes dApps, smart contracts, transactions, and decentralised autonomous organisations (DAOs). So, within the ERC-20 blockchain ecosystem, Ether acts as the most popular virtual currency. It is also the most often used in Initial Coin Offerings (ICOs). But in the most conventional sense, it currently has lesser acceptance as a currency.

Fees & Expenses

At the time of writing, the average transaction fee of Ether is $0.4492 per transaction, almost a 150% increase from last year when the fee was hovering around the mark of $0.17 per transaction. The average fee is calculated in USD when a miner processes and confirms a transaction, and it can be directly affected by network congestion or high demand for Proof of Work. In mid-2018, when cryptocurrencies surged to their boom and the price of ETH rose dramatically, the average transaction rate of ETH hit its highest at $3.00.

Apart from that, the expenses and fees charged by different cryptocurrency services including trading platforms vary in terms of percentage and structure. Most often, standard buying and selling or trading Ethereum through a wire transfer deposit will cost you 0.5% to 2% while instant buying using debit cards can set you back anywhere between 3% to 7%. Similarly, on bank transfers, there might be a fixed fee depending on whether you’re depositing or withdrawing your funds. The pricing structures aren’t only quite complex but they vary considerably based on numerous factors like payment method and geographical location.

What Are the Benefits of Ethereum?

It offers all the benefits of a traditional blockchain along with some unique advantages of its own including:

Immutability – Each transaction that takes place on the Ethereum blockchain is immutable which means that after the data has been processed, confirmed, and written, it can never be changed. This makes it almost unhackable.

Decentralised – Ethereum currently utilised a consensus mechanism to verify transactions which removes the need for a central authority or intermediary. Smart contracts based on the blockchain can execute themselves.

Swift Transactions – Rather than going through manual checks and verification procedures, blockchain uses automated processes to ensure the validity of a transaction. It doesn’t only make it considerably faster but more affordable as well.

Highly Reliable – It has been around for more than 5 years now with new applications being created and run on the blockchain without having to go through any hurdles like fraud, third-party interference, censorship, and downtime.

Programmable – One of the biggest advantages is that it is programmable and developers can use it to create decentralised applications. These may include financial services, games, smart contracts, and more.

What is your biggest tip for a user getting into crypto?

"Join the crypto ecosystem for the technology, philosophy, and community — not to speculate and try to make money. If you’re only in it for the money, and don’t understand the underlying technology and use-cases, chances are that you’ll get rekt."
Mario Baxter
CTO at Fun

Can Ethereum Be Used Anonymously?

This is a tricky one because what usually gets mentioned a lot on the internet as one of the primary blockchain’s benefits is user anonymity. And while there’s some truth to it, it has become increasingly difficult to maintain complete anonymity using Ether or any other cryptocurrency for that matter. 

The majority of trustworthy and established crypto apps require you to go through an intensive personal identity verification process to reduce money laundering and other illegal activities. On the other hand, despite all the protocols of anonymity being in place, you can always be tracked through the digital footprint you leave behind, especially because it’s impossible to change or replace the data that’s been written on the blockchain. 

Even if you haven’t shared your name or other personal details, metadata and other contextual information can lead to your personal identity. This is why cash remains the most anonymous mode of payment even today.

How Safe Is Ethereum?

Very. Each transaction that takes place on the Ethereum blockchain is secured by cryptographical encryption and has three times more nodes to verify each of its transactions as compared to Bitcoin. Most of the hacking attempts and cyber-attacks associated with it are targeted at poorly written smart contracts by developers, instead of the blockchain itself. Now that the platform is moving to the Proof of Stake protocol, the blockchain will become even more secure.

What Teams Are Working on Ethereum Development

Currently, the largest project for the Ethereum blockchain is ETH 2.0 which is being led by Raul Jordan. It’s going to make fundamental changes to the blockchain itself including the shift from Proof of Work (PoW) to the Proof of Stake (PoS) protocol. Including Raul’s team, there are a total of 8 teams working on different projects across the globe.

PegaSys

Led by Faisal Khan, the primary goal of this team is to bring enterprises to the blockchain by developing powerful and compelling software that’s more affordable, easier, and convenient to adapt for different types of businesses.

ChainSafe

Working out of Toronto, ChainSafe is a research and development firm that offers blockchain consultation to projects that are based on Ethereum such as Polymath, Aion, Shyft, and Bunz. It is led by Mikerah Quintyne-Collins.

Parity Technologies

It’s a blockchain infrastructure firm with the aim to maintain the second most popular client Parity Ethereum on the blockchain. It is considered to be one of the most advanced and fastest clients by many.

Harmony

This team has been subsidised by the Ethereum Foundation to create the complete specification for the 2.0 update. The team is functioning under GPL or General Public License to ensure all the code implementations remain free.

Prysmatic Labs

Using the programming language Go, this team created the first variant of Ethereum 2.0 and is currently providing the required help to the blockchain to acquire sustainable scalability. The team is led by Raul Jordan.

Trinity

It is the current Python-based Ethereum client featuring six developers who are in contract with the foundation. The team is also working on building support for 2.0 specifications.

Status

Another team that’s funded by Ethereum Foundation to develop a mobile browser and messaging platform to increase user engagement. The main objective is to ensure mass adoption by optimising performance on less resourceful devices.

Sigma Prime

Subsidised by Ethereum Foundation, Sigma Prime is a blockchain technology and information security consultation company that has been tasked with developing an Ethereum 2.0 client named Lighthouse.

Which Financial Institutions Are Invested in Ethereum?

There are many financial institutions that have gotten behind Ethereum. A few years ago, the Enterprise Ethereum Alliance was formed which included many technology giants and financial companies like ING, MasterCard, Credit Suisse, JP Morgan and more. Recently, Natixis Investment Managers, Clearstream, Credit Suisse, and Luxembourg Stock Exchange have announced that they will be funding a series-A round for an Ethereum based startup FundsDLT.

Ethereum Mining

The procedure for mining Ethereum is quite similar to Bitcoin. There are blocks of transactions that require computational power to find the right solution. In technical terms, the block’s unique metadata is run by miners using a hash function that returns a scrambled string of characters of a fixed length that appears to be random. 

When a miner finds a hash that fits the target, they are awarded the Ether token and each node validates the transaction and updates the database. Once a miner has found the right hash, all the other miners will start mining other blocks and so on and so forth.

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Ethereum Wallet

An ETH wallet is a software that is used to store Ether tokens. There are many to choose from depending on your requirements:

– MetaMask – browser-based and mobile wallet

– TrustWallet – mobile wallet

– MyCrypto – web-based wallet

– Argent – mobile wallet

– MyEtherWallet – client-side wallet

– Gnosis Safe – security-focused multi-signature wallet

– Coinbase Wallet – mobile wallet

If you are looking for hardware wallets, Ledger Nano S, KeepKey, and Trezor are good options.

Is Ethereum Worth the Investment?

Cryptocurrencies in general, including ETH, are prone to high volatility which makes them high-risk and high-reward investments. Their prices can rise and fall by 20-50 percent within hours which can be an opportunity as well as a warning.

This is why, if you want to invest in Ethereum, it’s recommended that you exercise due diligence and only invest what you can afford to lose. Given the amount of work that’s been put in to establish Ethereum, it can be safely said that it’s here to stay. In fact, many experts today believe that as compared to Bitcoin, Ether is highly undervalued with a lot of potential (check out our Ethereum price prediction page for more on this). 

However, when it comes to investment, there are no guarantees. If you are potentially interested in investing in ETH, learn how to buy Ethereum safely using our step-by-step guide.

Frequently Asked Questions

How can I buy Ethereum?
You can purchase Ether (ETH) on many cryptocurrency exchanges and trading platforms using conventional payment modes like wire transfers and bank cards. Make sure you choose a trustworthy service.
Which is the best wallet for storing Ethereum?
The best hardware wallets for storing ETH include Trezor, KeepKey and Ledger Nano S while the Ethereum website recommends many software web-based and mobile wallets including MyEtherWallet.
How can I mine Ethereum?
Ether can be mined using computational resources of your devices by going through the Proof of Work protocol. However, it requires powerful computers to stand a chance.
What are dApps?
Decentralised apps or dApps are special applications written using programmable blockchain offered by Ethereum. They include financial services, smart contracts, games, and more.
Should I invest in Ethereum?
Cryptocurrencies including Ether (ETH) are highly volatile and can be a high risk and reward investment. This is a decision you need to take on your own but listen to what experts are saying and only invest loss of which won't impact you financially.
What are Ethereum's fees?
Ether's fees don't stay the same and increases and decreases depending on multiple factors including network demand. Currently, it's hovering between $0.40 and $0.50.
What is a smart contract?
It is basically a piece of code that runs off the blockchain and can execute itself if and when certain conditions are met. It is used to control digital assets including ETH tokens.
Is Ethereum decentralised?
Yes. It isn’t owned by any major organisation, financial institution, or government which means that it doesn’t have to face issues like censorship, fraud, and third-party interference. 
Can I buy Ethereum with a Credit Card or a Debit Card?
Yes, you can purchase ETH with a credit or debit card, alongside a number of methods such as PayPal.For an in-depth guide check out our how to buy Ethereum with credit card and debit card pages.
How can I buy Ethereum in UK?
You can buy Ethereum in the UK using various FCA-regulated crypto exchanges and brokers. Use our in-depth guide to discover where and how to buy Ethereum UK.
Is Ethereum a Type of Money?
Although there are hundreds of merchants that accept Ether (ETH) as a valid payment mode including eGifter and Overstock, it is not meant to be a currency (as envisioned initially) by its developers. Instead, it is a lot more than just an alternative to money as its objective is to be a replacement for conventional banking and e-payment through intermediaries. It aims to democratise the internet so people collectively own data storage and digital services instead of relying on third parties.
Is Ethereum Legally Recognized?
Just like a majority of cryptocurrencies, ETH is not directly recognised by governments in terms of its legal existence or as a payment mode. This means that it is currently legal to buy, sell, and trade ETH with the exception of a few countries that have put a blanket ban on cryptocurrencies.
What Merchants Accept Ethereum?
Ethereum currently has more than 4,300 merchants that accept ETH as a valid payment method. It means there is a wide range of options where you can spend your ETH tokens. Some of the top merchants are listed below:
  • PizzaForCoins – Are you craving a pizza? This service will find you a pizza place that accepts ETH to deliver you a hot pizza at your doorstep.
  • Peddler.com – With more than 50,000 products to choose from across dozens of categories, you can shop for pretty much anything here using your ETH currency.
  • eGifter.com – If you are looking to buy from a wide range of gift cards using your ETH tokens, eGifter provides the service.
  • FLOKInet – When all you want is secure and reliable hosting and data centre services against your ETH coins, FLOKInet is the partner you need.
What is a Decentralised Autonomous Organisation?
A Decentralised Autonomous Organisation is a business, institution, corporation, or other structure that is operated entirely by autonomous smart contracts and is made up of technologies and representatives spread out across the planet. Blockchain itself is a decentralised technology, with miners and users existing in every part of the world, with no centralised headquarters anywhere. When fully mature, Ethereum will be a decentralised autonomous organisation (or DAO, pronounced "dow"). Already, countless network functions are run entirely by smart contracts and artificial intelligence.  
Does the Name "Ethereum" Have a Meaning?
Vitalik Buterin explains the origin of the name "Ethereum" better than anyone. "I immediately realized that I liked it better than all of the other alternatives that I had seen; I suppose it was the fact that sounded nice and it had the word 'ether', referring to the hypothetical invisible medium that permeates the universe and allows light to travel".  
What is Ethereum 2.0 (Serenity)?
Ethereum 2.0, also known as Serenity, is a series of proposed upgrades to the existing Ethereum model in order to make a quicker, more effective system. The Ethereum blockchain was initially designed to be a decentralised ‘World-Computer’, able to execute anybody’s code for a small fee. Shortly after its launch, some issues with scalability and mining became apparent. Applications launched on the network have failed to attract anywhere near the daily numbers that the likes of Facebook and Google bring in. As the technology evolved, Ethereum began to show further problems relating to proof-of-stake, network security and more. Serenity is the fourth stage upgrade of Ethereum and was planned back in 2015 when the original platform was launched.

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