Definition ∞ A virtual machine environment is a software-based emulation of a computer system that allows programs to run as if on a physical machine. In blockchain contexts, this environment executes smart contracts and decentralized applications in an isolated, deterministic manner. The Ethereum Virtual Machine (EVM) is a prominent example, providing a global computational engine for smart contract execution. It ensures consistent and verifiable computation across the network.
Context ∞ The efficiency and security of virtual machine environments are paramount for the scalability and reliability of smart contract platforms. Innovations in VM design, such as those aiming for faster execution or lower transaction fees, are continuously pursued by blockchain developers. Discussions often center on the compromises between EVM compatibility, transaction throughput, and the security guarantees provided by different virtual machine architectures.