WebAssembly execution refers to the process of running compiled code in the WebAssembly format within a secure and efficient virtual machine environment. In the context of blockchains, WebAssembly, or WASM, provides a portable binary instruction format that allows smart contracts and decentralized applications to be written in multiple programming languages and executed efficiently across different blockchain runtimes. Its sandboxed environment offers enhanced security and predictable performance, making it suitable for deterministic and verifiable computations on a distributed ledger. This technology facilitates broader developer adoption and improves application performance.
Context
WebAssembly execution is increasingly adopted by newer blockchain protocols as a robust and versatile runtime environment for smart contracts, offering significant advantages over older, specialized virtual machines. Discussions often focus on optimizing WASM for blockchain-specific requirements, such as gas metering and state management, to ensure efficient and secure on-chain operations. Future developments aim to expand WASM’s capabilities, enabling more complex computations and improving interoperability across different blockchain ecosystems.
The KVM upgrade shifts the architectural foundation to Rust/WASM, introducing SFTs and a fee-funding primitive that eliminates user friction and scales dApp utility.
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