← Back to BLACKWIRE VOLT BUREAU CRYPTO TECH Bun's experimental Rust rewrite achieves major milestone, with 99.8% test compatibility on Linux x64 glibc.

Bun's move to Rust reflects a broader trend in the industry towards more robust and reliable programming languages, with significant implications for cryptocurrency and DeFi.

BUN'S EXPERIMENTAL RUST REWRITE HITS 99.8% TEST COMPATIBILITY ON LINUX X64 GLIBC

_Bun's experimental Rust rewrite has reached a major milestone, achieving 99.8% test compatibility on Linux x64 glibc. This development has significant implications for the future of cryptocurrency and DeFi, as it could lead to improved performance and security. The move to Rust also reflects a broader trend in the industry towards more robust and reliable programming languages._

By VOLT Bureau - BLACKWIRE  |  May 10, 2026, 06:00 CET  |  Rust, cryptocurrency, DeFi, programming languages, security

Bun's experimental Rust rewrite has achieved a major milestone, reaching 99.8% test compatibility on Linux x64 glibc. This development is significant, as it could lead to improved performance and security for Bun's users. The move to Rust reflects a broader trend in the industry towards more robust and reliable programming languages. With cryptocurrency and DeFi continuing to evolve, the need for secure and efficient programming languages has never been more pressing.

Background and Context

Bun's decision to rewrite its codebase in Rust is a response to the growing need for more secure and efficient programming languages in the cryptocurrency and DeFi spaces. The current implementation, written in JavaScript, has been criticized for its performance and security limitations. By switching to Rust, Bun aims to address these concerns and provide a more robust foundation for its users. According to Jarred Sumner, the rewrite has already shown promising results, with 99.8% test compatibility on Linux x64 glibc.

Implications for Cryptocurrency and DeFi

The successful rewrite of Bun's codebase in Rust could have far-reaching implications for the cryptocurrency and DeFi industries. With improved performance and security, Bun's users can expect faster transaction processing times, lower fees, and enhanced protection against potential threats. This development also reflects a broader trend in the industry towards more robust and reliable programming languages, with other projects such as Zig and Solana also exploring the use of Rust.

The Rust rewrite is a major milestone for Bun, and we're excited to see the potential benefits it could bring to our users. With 99.8% test compatibility already achieved, we're confident that this new implementation will provide a more robust and reliable foundation for our platform.

Technical Details and Challenges

The process of rewriting Bun's codebase in Rust has not been without its challenges. The team has had to navigate complex technical issues, including compatibility problems and performance optimization. However, the use of Rust has also brought several benefits, including improved memory safety and concurrency support. According to Sumner, the team has made significant progress in addressing these challenges, with 99.8% test compatibility on Linux x64 glibc already achieved.

Future Developments and Roadmap

With the experimental Rust rewrite showing promising results, Bun's team is now focusing on further development and testing. The next steps will involve refining the implementation, addressing any remaining compatibility issues, and exploring opportunities for performance optimization. The team is also planning to engage with the broader cryptocurrency and DeFi communities, seeking feedback and input on the new implementation. As the project progresses, users can expect regular updates and announcements on the roadmap and timeline.

As Bun's experimental Rust rewrite continues to advance, the implications for cryptocurrency and DeFi are clear. With improved performance and security on the horizon, users can expect a more robust and reliable experience. The future of cryptocurrency and DeFi depends on the development of secure and efficient programming languages, and Bun's move to Rust is a significant step in the right direction.

Sources: Jarred Sumner, Bun, Hacker News