eos-vm
A low-latency, high-performance, and extensible WebAssembly backend library designed for blockchain and embedded applications.
What is eos-vm?
EOS VM is a WebAssembly backend library engineered for low-latency, high-performance, and deterministic execution, particularly targeting blockchain applications. It solves the need for a secure and efficient WebAssembly engine that avoids non-deterministic behavior, unbounded computation, and long compilation times, which are critical in decentralized systems.
Blockchain developers and engineers building embedded systems or applications that require a reliable, high-performance WebAssembly engine for running untrusted code with strict resource constraints.
Developers choose EOS VM for its security-first design, deterministic execution guarantees, and exceptional performance, addressing limitations in existing WebAssembly engines like WABT, WAVM, and Binaryen while offering easy integration and extensibility.
Overview
A Low-Latency, High Performance and Extensible WebAssembly Backend Library
Use Cases
Best For
- Building blockchain smart contract platforms requiring deterministic WebAssembly execution
- Embedding a high-performance WebAssembly engine in resource-constrained applications
- Running untrusted code in secure, sandboxed environments with guard paging
- Developing custom WebAssembly tooling or extensions with minimal boilerplate
- Ensuring time-bounded execution for CPU-limited systems like IoT or edge computing
- Integrating a header-only WebAssembly library into C++ projects with CMake
Not Ideal For
- Web development projects targeting browser environments where built-in WebAssembly engines are optimized for the web and require no integration overhead
- Teams prototyping or experimenting with WebAssembly who need extensive community tooling, plugins, or rapid iteration with minimal setup
- Applications that rely solely on hardware floating-point operations and do not require the determinism or overhead of softfloat implementation
- Environments with limited C++ expertise, as EOS VM's header-only design and custom allocators demand advanced systems programming skills
Pros & Cons
Pros
Supports both softfloat and hardware floating-point options to ensure consistent behavior across platforms, which is critical for blockchain consensus as highlighted in the Deterministic Execution section.
Uses guard paging, bounded recursion/loops, and invariant-preserving data types to mitigate risks from untrusted code, making it robust for security-critical applications like blockchain.
Leverages native paging mechanisms and cache-friendly allocators for near-native memory performance, as emphasized in the High-Performance Execution section for fast parsing and execution.
Header-only library with CMake support and a simple API, allowing easy embedding into C++ projects with minimal setup, as described in the Effortless Integration section.
Cons
Optimized specifically for blockchain environments, which may introduce unnecessary complexity and overhead for general-purpose WebAssembly use cases, limiting its appeal outside this domain.
Requires integrating an external softfloat library for deterministic floating-point, adding an extra step in setup and potential compatibility issues, as noted in the integration details.
As a header-only C++ implementation with custom variant systems and allocators, it demands proficient C++ skills for effective integration and customization, posing a barrier for less experienced developers.
Frequently Asked Questions
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.