What Is Ethereum, and How Does It Function?

Learn about Ethereum, the decentralized platform that runs on blockchain technology. Find out how it works and what it can do for you.

KEY LESSONS

  • Ethereum is a blockchain-based platform best known for its ether (ETH) cryptocurrency.
  • Ethereum’s blockchain technology enables the public creation and maintenance of secure digital ledgers.
  • Bitcoin and Ethereum share many characteristics but have distinct long-term objectives and constraints.
  • In September 2022, Ethereum switched from proof of work to proof of stake.
  • Ethereum is the cornerstone for several emerging blockchain-based technology developments.

What Is Ethereum ?

Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of fraud or third party interference.

Ethereum is a programmable blockchain. It allows users to create their own decentralized applications (dapps) on the Ethereum blockchain.

The Ethereum Virtual Machine (EVM) is a Turing complete software that runs on the Ethereum network. It enables anyone to run any program, regardless of the programming language given enough time and memory.

The intent of Ethereum is to create an alternative protocol for building decentralized applications, providing a different set of tradeoffs that we believe will be very useful for a large class of applications, but is not well served by existing protocols.

On traditional server architectures, every application has to set up its own servers that run their own code in isolated silos, making sharing of data hard. If a single app is compromised or goes offline, many users and other apps are affected. On a blockchain, everyone has access to the same database and runtime environment. This makes development simpler and more secure.

Ethereum was crowdfunded during August 2014 by fans all around the world. It is developed by ETHDEV with contributions from great minds across the globe.

The Ethereum Foundation (EF) is a non-profit organization dedicated to supporting Ethereum and related technologies. The EF’s primary goals are to promote and support Ethereum platform and base layer research, development and education; help evolve Ethereum into an easy-to-use global decentralized computing platform; and support developers and businesses engaged in building on the Ethereum blockchain.

The Ethereum network may be thought of as a giant computer that anyone can upload programs to and let those programs run without the risk of censorship, fraud, or third party interference. These programs are called smart contracts. Smart contracts are pieces of code that define specific interactions between parties within the Ethereum network. For example, a basic smart contract could be used to send money from one person to another only if two out of three people approve the transaction.

Another example of a smart contract would be one that automatically pays out rewards to someone who solves a computational problem called a hash. This type of contract could be used to create a decentralized lottery or gambling system where no one party has an unfair advantage over the others.

Smart contracts can also be used to create virtual organizations that operate according to coded rules and are enforced by the network itself. These organizations don’t have physical boundaries or centralized authorities like traditional companies do; they are defined purely by code.

The most well-known use case of smart contracts on Ethereum is the creation of digital tokens. Tokens are essentially programmable money that can be used to represent any asset or utility imaginable. For example, a digital token could represent ownership of a painting, or it could represent a share in a company.ERC20 is a popular standard for tokens that defines a set of rules that all tokens on the Ethereum network can follow. This makes it easy for different tokens to interact with each other on Ethereum’s decentralized platform.

There are many different use cases for digital tokens. Some tokens are meant to be used as currency, while others represent assets such as fractional ownership of real estate or works of art. There are also utility tokens which give holders access to products or services offered by a company built on Ethereum.

Digital tokens can also be used to fundraise for new projects in what’s called an initial coin offering (ICO). In an ICO, a project sells digital tokens to investors in exchange for cryptocurrency (usually Bitcoin or Ether). The funds raised in an ICO can be used to finance the development of a new project or product.

ICOs have become a popular way to finance new cryptocurrency projects and have raised over $1 billion dollars in 2017 alone. However, ICOs are also highly speculative investments and should only be done by experienced investors with a high risk tolerance.

If you’re interested in investing in digital tokens, it’s important to research each project carefully before making any decisions. You should also only invest what you’re willing to lose, as there’s always a chance that the project will not succeed or that the value of the token will decrease over time.

Benefits of Ethereum

Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of fraud or third party interference.

Ethereum is a public blockchain-based platform that utilizes the cryptocurrency Ether (ETH) to pay transaction fees. ETH is also used to create new decentralized applications (dapps) on the Ethereum network.

The main benefits of Ethereum are:

1. Decentralized: The Ethereum network is decentralized, meaning that it is not controlled by any single entity. This makes it resistant to censorship and tampering.

2. Secure: Ethereum uses blockchain technology, which is very secure. This means that transactions on the Ethereum network can not be tampered with or reversed.

3. Fast: Transactions on the Ethereum network are very fast, usually taking only a few seconds to complete.

4. Affordable: Transaction fees on the Ethereum network are very low, especially compared to other blockchain networks.

5. Programmable: The Ethereum network is programmable, meaning that developers can create applications that run on the network. This opens up a whole world of possibilities for Ethereum users.

These are just some of the benefits of Ethereum. If you are looking for a secure, fast, and affordable platform for transactions and application development, then Ethereum is a great option.

Ethereum Smart Contracts

What are Ethereum smart contracts?

Ethereum smart contracts are computer protocols that facilitate, verify, or enforce the negotiation or performance of a contract. Smart contracts enable the execution of transactions and agreements between parties without the need for a central authority, intermediaries, or third-party enforcement.

How do Ethereum smart contracts work?

Ethereum smart contracts are programmed using a Turing-complete programming language, which allows them to be used to create any type of application.

What are the benefits of Ethereum smart contracts?

Ethereum smart contracts offer a number of benefits over traditional contracts, including:

Automation: Smart contracts can be used to automate the execution of transactions and agreements. This can reduce the need for human involvement in the contract process, and can help to ensure that transactions are executed according to the terms of the contract.

Accuracy: Smart contracts can help to ensure that transactions are executed accurately. This is because the terms of the contract are encoded in the contract code, and can be verified by all parties to the contract.

Security: Smart contracts can offer increased security relative to traditional contracts. This is because the contract code is stored on the blockchain, which provides a tamper-proof record of the contract. In addition, smart contracts can be designed to be self-executing, which eliminates the need for a third-party enforcement agent.

Speed: Smart contracts can be executed faster than traditional contracts. This is because the contract code is stored on the blockchain, which enables it to be executed by the network of computers that make up the Ethereum network.

What are the disadvantages of Ethereum smart contracts?

Ethereum smart contracts have a number of disadvantages relative to traditional contracts, including:

complexity: Smart contracts can be complex to create and understand. This is because they must be programmed using a Turing-complete programming language.

cost: Ethereum smart contracts incur a cost for their execution. This cost is paid in the form of gas, which is a unit of currency used on the Ethereum network.

security: While smart contracts can offer increased security relative to traditional contracts, they are not immune to security vulnerabilities. In particular, smart contracts that are programmed using a Turing-complete programming language can be subject to infinite loops, which can lead to denial of service attacks.

Ethereum vs. Bitcoin

Ethereum and Bitcoin are two of the most popular cryptocurrencies on the market today. Both have their own unique benefits and drawbacks, so it’s important to understand the difference between the two before investing in either.

Bitcoin is the original cryptocurrency, and it’s still the most well-known. It was created in 2009 as a peer-to-peer electronic cash system. Transactions on the Bitcoin network are verified by miners, who make money by verifying and completing these transactions.

Bitcoin is often lauded for its security and its decentralized nature. Because there is no central authority controlling the Bitcoin network, it is incredibly difficult to hack. Additionally, Bitcoin transactions are permanent and irreversible, so there is no way to cancel or reverse a transaction once it has been made.

However, Bitcoin also has some drawbacks. Because it is decentralized, there is no customer service or support if you have problems with a transaction. Additionally, Bitcoin is often used for illegal activities due to its anonymity.

Ethereum is a newer cryptocurrency that was created in 2015. It was designed as a platform for decentralized applications and smart contracts. Ethereum transactions are verified by miners, who are rewarded with Ether, the native currency of Ethereum.

Unlike Bitcoin, Ethereum is not just a digital currency. It is a decentralized platform that runs smart contracts. Smart contracts are programs that run exactly as they are programmed to, without any possibility of fraud or third party interference.

Ethereum also has its own programming language, which allows developers to build decentralized applications on the Ethereum blockchain. These applications can be anything from a new social media platform to a new way to buy and sell houses.

The benefits of Ethereum over Bitcoin are that it is more versatile and can be used for more than just digital currency. Additionally, Ethereum transactions are much faster than Bitcoin transactions.

However, Ethereum does have some drawbacks. Because it is still a relatively new platform, it is not as battle-tested as Bitcoin. Additionally, Ethereum can be slower and more expensive to use than Bitcoin.

So, which is better? Ethereum or Bitcoin? It really depends on what you are looking for and what you want to use it for. If you are looking for a digital currency that is secure and decentralized, then Bitcoin is a good choice. If you are looking for a platform that is more versatile and can be used for other purposes beyond digital currency, then Ethereum is a better choice.

Ethereum’s Future

The move to the proof-of-stake protocol, which allows users to validate transactions and generate fresh ETH based on their ether holdings, is part of a major upgrade to the Ethereum platform. Previously known as Eth2, this upgrade is now just known as Ethereum. Ethereum, on the other hand, now has two layers. The execution layer is the first layer, where transactions and validations take place. The second tier is the consensus layer, which is where attestations and the consensus chain are kept.

The upgrade increased the Ethereum network’s capacity to accommodate its expansion, which will eventually assist to address persistent network congestion issues that have driven up gas fees.

To solve scalability, Ethereum is expanding the use of “sharding.” Sharding will distribute the Ethereum database over the Ethereum network. This concept is comparable to cloud computing in that a large number of machines perform the task to save computational time. These tiny database pieces will be known as shards, and people who have staked ETH will work on them. Shards will let multiple validators to work concurrently, lowering the time required to reach consensus through a process known as sharding consensus.

Investing in Ethereum

The cryptocurrency ETH can be volatile, putting investors’ money at risk. However, it is undoubtedly worthwhile to look into as an investment because the various existing and new creative Ethereum-based technologies may play larger roles in our society in the future.

Investors that purchase the cryptocurrency ETH can do so through online exchanges such as Binance, Coinbase, Kraken, and cryptodotcom. Simply create an account on the exchange, link a bank account, and send ETH from an Ethereum wallet to the exchange account. Place a sell order on the exchange. Then, after sold, transfer the proceeds in US dollars to the associated bank account.

Investing in cryptocurrencies is extremely risky and speculative, and this article is not a recommendation by cryptoafricaedu or the author to do so ,because every person’s circumstance is different, a knowledgeable specialist should always be consulted before making any financial decisions. 

Cryptoafricaedu is here to provide you with the knowledge you need before entering the market.