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What is Ethereum Virtual Machine (EVM)

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Ethereum

The Ethereum Virtual Machine (EVM) is often referred to as the “heart of Ethereum”, and this definition fits its meaning. The EVM plays a key role in making everything on the Ethereum network work. It provides developers with the ability to create smart contracts and decentralized applications (DApps) in the Solidity programming language. In addition, EVM ensures the smooth operation of all applications running on the Ethereum blockchain.

The way EVM works is that it provides a runtime environment for smart contracts where they can be executed and interact with each other. This provides consistency and security on the Ethereum network.

vitalik buterin

The example of Vitalik Buterin, the creator of Ethereum, about BitTorrent as the very first decentralized application (DApp) is given. BitTorrent, developed by Bram Cohen in 2001, is a file sharing protocol. Despite several attempts to take it down, BitTorrent continues to work. Similarly, the Ethereum Virtual Machine links thousands of Ethereum nodes to form a decentralized network. To shut it down, every node in this global network must be shut down, emphasizing the resilience and decentralized nature of Ethereum.

The essence of EVM operation and capability

  • EVM allows Ethereum to operate as a global virtualized supercomputer.
  • Users access this computer from anywhere in the world, run smart contracts and interact with decentralized applications (DApps).
  • The EVM stores all the code needed to execute commands in Ethereum and also calculates the fee (gas) for each transaction.
  • The virtual machine ensures that all transactions and smart contracts on the Ethereum blockchain are executed according to established rules.
  • The EVM is considered to be Turing-complete, meaning it can perform any computation that is limited only by the imagination of the developers and the computational power of the nodes.

The Ethereum Virtual Machine (EVM) is not an ordinary virtual computer. Rather, it is thousands of identical computers functioning in each node, which together form a powerful global supercomputer known as Ethereum.

Each node on the Ethereum network is equipped with an EVM, allowing it to execute smart contracts and process transactions. This decentralized architecture gives Ethereum unique characteristics such as fail-safe and resilience to failure in individual nodes. This approach allows Ethereum to build and maintain decentralized applications and smart contracts, which is the foundation of its ecosystem.

Ethereum Virtual Machine

Ethereum Virtual Machine has a future

The Ethereum Virtual Machine (EVM) has faced some limitations, including lower performance than anticipated and difficulty in upgrading due to the use of the Solidity programming language, which can be difficult to understand.

In light of these limitations, Ethereum developers are considering replacing EVM with Ethereum WebAssembly (eWASM). The eWASM was created by the World Wide Web Consortium (W3C) and the World Wide Web Consortium to improve the efficiency of Ethereum. This transition represents a significant step forward in the development of the Ethereum network, as eWASM promises improved performance, easier modularity, and better support for various programming languages.

Benefits of eWASM

  • Faster execution speed of smart contracts.
  • Access to a huge community of developers and WebAssembly tools.
  • Ability to develop smart contracts in many traditional programming languages such as C, C++, and Rust.

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