Ethereum: The Revolution o Smart Contracts

Griffins Oduol
2 min readJul 11, 2023

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Today, we’re diving deep into the world of Ethereum, one of the most innovative blockchain platforms that expanded the reach of blockchain technology beyond cryptocurrency through the pioneering concept of smart contracts.

The Genesis of Ethereum

Ethereum was born out of the vision of young programmer Vitalik Buterin. Frustrated with the limitations of Bitcoin, Buterin proposed a blockchain platform that could go beyond being a digital currency system. In late 2013, he suggested the creation of a ‘world computer’, a decentralized platform that would allow developers to build a wide array of applications. Thus, Ethereum was proposed, funded through an online crowdsale in 2014, and launched on July 30, 2015.

Introducing Smart Contracts

A smart contract is a self-executing contract with the terms of the agreement written directly into code. They automatically enforce and execute themselves without the need for a middleman. These code-based contracts exist on the blockchain, enjoying the benefits of decentralization, security, and immutability.

Smart contracts have allowed developers to create decentralized applications (or DApps) on Ethereum’s platform. This expanded the possibilities of blockchain applications far beyond cryptocurrency, making Ethereum the backbone for numerous innovative projects, including Decentralized Finance (DeFi), Non-Fungible Tokens (NFTs), Decentralized Autonomous Organizations (DAOs), and more.

Understanding Ethereum Virtual Machine (EVM)

The Ethereum Virtual Machine (EVM) is the runtime environment where smart contracts are executed. Every Ethereum node runs on the EVM, enabling them to agree on the same series of system states without the need for a central coordinator. The EVM is isolated from the network, which means that code run on the EVM won’t affect the host machine, enhancing the security of the network.

Ether and Gas

Ether (ETH) is the native cryptocurrency of Ethereum. It is used as ‘fuel’ for executing smart contracts, deploying DApps, and making transactions on the Ethereum network. The concept of Gas in Ethereum is a measure of computational effort. Each operation costs a certain amount of Gas, ensuring that resources on the network are utilized efficiently and preventing spam on the network.

Challenges and The Leap to Ethereum 2.0

Despite Ethereum’s innovation, it faces challenges in scalability, speed, and energy consumption. Ethereum 2.0, also known as Eth2 or “Serenity,” is a series of upgrades planned to tackle these issues. It includes a shift from the energy-intensive Proof of Work consensus mechanism to a more scalable and efficient Proof of Stake model, along with the introduction of shard chains to improve the network’s capacity.

Conclusion

Ethereum, through its smart contract functionality, transformed the landscape of blockchain applications, providing a platform for innovation that spans various domains such as finance, arts, governance, and more. As Ethereum 2.0 promises to resolve the existing challenges, it only amplifies the potential impact Ethereum could have on our world.

In the coming days, we will continue our exploration with a focus on other exciting blockchain platforms such as Gnosis, Solana, and Flow. Until then, stay curious, and keep exploring!

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Griffins Oduol

Blockchain Dev | Solidity | Rust | JS | Python | founder@Umojaverse