Scaling Ethereum
Without Compromise
Tools and products designed for limitless interaction with Ethereum.
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Products and Case Studies: Web3 development made simple.
Offchain Labs has built a suite of products for developers, businesses, and individuals to harness the full potential of Ethereum technology. We continue to research and build accessible solutions for those seeking to integrate and innovate using our transformative technology.
Stylus Now Live — One Chain, Many Languages
6 min read | Aug 31, 2023
TL;DR: Today we released the code and public testnet for Arbitrum Stylus, allowing developers to use both traditional EVM tools and WASM-compatible languages like Rust, C, and C++ to build applications on...
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Why I’m Still Optimistic About Optimistic — Ed Felten
5 min read | Sep 25, 2023
Arbitrum uses an optimistic rollup protocol. People often ask why we chose optimistic for Arbitrum, and whether we expect Arbitrum to switch to ZK proving. I have written about this before, but that was almost two years ago...
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BOLD, Permissionless Validation for Arbitrum Chains
4 min read | Aug 3, 2023
TL;DR: We are announcing BOLD (Bounded Liquidity Delay): a dispute protocol we invented at Offchain Labs that can enable permissionless validation for Arbitrum chains. The code and specification are now available...
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Prysm Quarterly Update: Summer Recap and What’s Ahead
5 min read | Oct 5, 2023
Hello Friends! We’re thrilled to bring you the latest in our series of quarterly updates for Prysm. Let’s dive into the highlights of the summer season and offer a glimpse into the exciting developments...
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Time boost: a new transaction ordering policy for Arbitrum
5 min read | Mar 1, 2023
TL;DR:We’re proposing a modified transaction ordering policy for the Arbitrum sequencer, adding a “time boost” to the current first-come, first-served policy, where a transaction could pay a priority fee to get a small advantage...
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Arbitrum Orbit AnyTrust Chain — Lee Bousfield & Olivia Jurkowitz
6 min read | Aug 17, 2023
TL;DR: Today we’re making it easier than ever to launch Arbitrum Orbit AnyTrust chains. You can now use the Orbit documents and deployment portal to create a devnet AnyTrust chain that hosts EVM-compatible smart contracts...
Read MoreOur Founders
Ed Felten
Steven Goldfeder
Harry Kalodner
Offchain Labs is a venture-backed, Princeton-founded company that has dedicated over 5 years to blockchain research and development. As the original developers of the Arbitrum technology, Offchain has been instrumental in revolutionizing the industry through this leading network scaling solutions. The team continues to build upon this foundation by innovating and enhancing products such as Arbitrum Orbit, Stylus, BOLD, and Arbitrum Nitro. In October 2022, Offchain Labs acquired Prysmatic Labs, makers of Prysm, the leading consensus client for Ethereum, further cementing Offchain Labs' commitment to contributing to Ethereum.
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