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What is Ethereum?

What Is Ethereum? A Comprehensive Guide by RockItCoin

In the fast-paced and evolving world of cryptocurrency, Bitcoin often dominates headlines. However, another cryptocurrency, Ethereum, has been silently and effectively reshaping the financial and technological landscape. At RockItCoin, we’re passionate about keeping you informed, and so, we present this comprehensive guide on Ethereum.

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What is Ethereum?

Ethereum, launched in 2015 by Vitalik Buterin and a team of cryptocurrency enthusiasts, is a blockchain-based platform that facilitates the creation and execution of decentralized applications (DApps). While it’s a cryptocurrency in its own right, Ethereum’s real value lies in its powerful smart contract functionality.

A smart contract is a self-executing contract where the terms and conditions are written into lines of code. Essentially, they allow for complex, programmable, and automated transactions.

The Creation of Ethereum and its Founder, Vitalik Buterin

Before we can delve into Ethereum’s mechanics, it’s crucial to understand its origins. Ethereum was conceived by a young programmer, Vitalik Buterin. Discontent with Bitcoin’s limitations, Buterin envisioned a platform with greater flexibility and broader applications. In 2015, his vision came to life when Ethereum was launched.

How Ethereum Works: An Overview of its Blockchain Technology

Ethereum’s brilliance lies in its blockchain technology. Here’s a closer look:

  1. Blocks and Transactions: Similar to other cryptocurrencies, Ethereum’s transactions are stored in blocks. Once these blocks are filled with transactions, they’re added to the blockchain in a linear, chronological order.
  2. Smart Contracts and the EVM: At Ethereum’s core are smart contracts, self-executing contracts with the terms of the agreement directly written into code. These smart contracts run on the Ethereum Virtual Machine (EVM), ensuring decentralized, censorship-resistant, and tamper-proof operations.

Ether (ETH) – The Fuel of the Ethereum Network

  1. What is Ether? While Ethereum is the platform, “Ether” or “ETH” is its native cryptocurrency. Just like you need gasoline to fuel a car, you need Ether to perform operations on the Ethereum network, be it making a transaction or executing a smart contract.
  2. The Role of Ether in the Ethereum Network: Ether is essential for running smart contracts and DApps. It acts as a form of “payment” to incentivize participants to execute and validate operations on the network.
  3. Buying, Storing, and Using Ether: RockItCoin provides an effortless experience in acquiring Ether. Whether through our user-friendly ATMs or our online platform, purchasing, storing, and using Ether has never been easier. And don’t forget the RockItCoin Wallet, a perfect blend of accessibility and security for your Ether.

Decentralized Applications (DApps)

  1. What are DApps?: DApps are decentralized applications that run on a blockchain, ensuring transparency, security, and resistance against censorship.
  2. Examples of Popular Ethereum-based DApps: From decentralized finance platforms like Uniswap and Compound to games like CryptoKitties, Ethereum’s DApps ecosystem is diverse and continually expanding.
  3. How to Use and Interact with DApps: DApps are accessible via web browsers or dedicated applications. Once you have some Ether in your RockItCoin Wallet, you can engage with various DApps, transacting, or even playing games!

Smart Contracts on Ethereum

  1. Understanding Smart Contracts: Think of smart contracts as traditional contracts combined with automation. Once conditions are met, they execute automatically without intermediaries.
  2. Use Cases and Real-World Applications: From real estate agreements to supply chain management, smart contracts offer a plethora of use cases. They promise increased efficiency, reduced costs, and heightened security.
  3. Creating and Deploying Smart Contracts on Ethereum: While creating smart contracts requires knowledge of Ethereum’s programming language, Solidity, once developed, they can be deployed on the Ethereum network for the world to utilize.

Ethereum vs. Bitcoin – The Differences

Although both Bitcoin and Ethereum operate on blockchain technology, they have different objectives:

  1. Purpose: While Bitcoin was designed primarily as a digital currency, Ethereum’s primary purpose is to facilitate and monetize the functioning of Ethereum smart contracts and DApps.
  2. Supply: Bitcoin has a capped supply of 21 million coins, making it deflationary. Ethereum, on the other hand, has no maximum supply limit.
  3. Complexity: Ethereum provides a more extensive programming language than Bitcoin, allowing for the development of sophisticated DApps and smart contracts.

Ethereum Wallets and RockItCoin’s Solution

To manage and store your Ether, you need an Ethereum wallet. There are various types of wallets:

  1. Online Wallets: Operate on the cloud and can be accessed from any device.
  2. Mobile Wallets: Accessed through an app on your phone.
  3. Desktop Wallets: Downloaded and installed on your PC or laptop.
  4. Hardware Wallets: Physical devices that store your cryptocurrency offline, making them secure from online hacking attempts.
  5. Paper Wallets: Physical document containing your private and public keys.

At RockItCoin, we recognize the need for security and ease of access. That’s why we’re proud to introduce the RockItCoin Wallet. It combines the best of online and hardware wallets, ensuring your Ethereum is easily accessible yet extremely secure.

Buying and Selling Ethereum with RockItCoin

Whether you’re new to Ethereum or a seasoned investor, RockItCoin makes the buying and selling process seamless. With our expansive network of ATMs, purchasing Ethereum is as simple as visiting your nearest RockItCoin ATM. Prefer an online experience? Our platform provides an intuitive online interface, ensuring your Ethereum transactions are just a click away.

Ethereum 2.0 and Future Developments

Ethereum is not a static entity. It’s evolving, and the most significant step towards its future is Ethereum 2.0.

  1. The Transition to Ethereum 2.0 (Serenity): Ethereum 2.0, often termed ‘Serenity,’ represents the platform’s new phase. With this upgrade, Ethereum aims for increased scalability, security, and sustainability.
  2. Sharding and Proof of Stake (PoS): Two primary changes mark Ethereum 2.0. First, “Sharding” – a technique to split the database into smaller pieces, each capable of independent validation, which enhances transaction speed and efficiency. Second, the transition from a proof-of-work (PoW) to a proof-of-stake (PoS) consensus mechanism, a move that will significantly reduce energy consumption.

Risks and Security

  1. Smart Contract Vulnerabilities: While smart contracts promise automation and trust, they aren’t devoid of risks. A poorly coded contract can lead to significant vulnerabilities, potentially resulting in financial losses.
  2. Regulatory Considerations: As with all cryptocurrencies, Ethereum operates in a continually changing regulatory environment. Users must be aware of the legal considerations in their respective jurisdictions.

Best Practices for Securing Ethereum Assets: At RockItCoin, we advocate:

  • Using reputable wallets like the RockItCoin Wallet.
  • Keeping private keys confidential and offline.
  • Regularly updating software and applications.
  • Avoiding suspicious links or promises of “free” Ether.

The Future of Ethereum

Ethereum’s recent shift to Ethereum 2.0, moving from a proof-of-work (PoW) consensus mechanism to proof-of-stake (PoS), showcases its commitment to scalability, sustainability, and security. As more businesses adopt smart contracts and DApps, Ethereum’s relevance and utility are set to grow exponentially.

Glossary of Essential Ethereum and Cryptocurrency Terms:

  • Blockchain: A digital ledger containing a record of transactions across many computers.
  • DApp: Decentralized Application that runs on a blockchain.
  • Ether (ETH): Ethereum’s native cryptocurrency.
  • Gas: A unit that measures the amount of computational effort required to execute operations on Ethereum.
  • PoW (Proof of Work): A consensus mechanism where participants solve complex mathematical puzzles.
  • PoS (Proof of Stake): A consensus mechanism where validators are chosen based on the number of coins they hold and are willing to “stake” or lock up.
  • Sharding: A method to increase the number of transactions a blockchain can process.
  • Smart Contract: A self-executing contract with the agreement between buyer and seller written directly into lines of code.


Ethereum, with its dynamic capabilities, is much more than just another cryptocurrency. It’s a platform for innovation, democratizing finance, and reshaping how business is conducted. At RockItCoin, we’re committed to supporting your Ethereum journey, be it through our advanced ATMs, online platform, or the state-of-the-art RockItCoin Wallet.

Join us at RockItCoin as we explore the endless possibilities Ethereum presents!