The WebAssembly Blog

Insights, tutorials, and updates about the WebAssembly System Interface and portable application development.

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WebAssembly Performance
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WebAssembly Performance in 2025

Learn how WASM execution speed now outperforms native code on multi-core systems.

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Security in WASI

Zero-Trust Architecture

Explore how WASI's new sandboxing model prevents 99.6% of common security threats by default.

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Recent Posts

Getting Started

Getting Started

Your first week with WASI: Build and run a sandboxed WebAssembly app in 10 minutes.

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Advanced Usage

Advanced WebAssembly

Master inter-process communication and advanced system interfaces in WebAssembly.

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Toolingchain Update

Toolchain Update v0.15.4

Breaking changes, performance improvements, and new API security features.

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