Offchain Labs

Security disclosure

On March 22, our team at Offchain Labs disclosed to the OP Labs team two serious security vulnerabilities we had found in…

Stylus in Action: Lifecycle of a Stylus Contract

Post-Mortem Report: Ethereum Mainnet Finality (05/11/2023)

Date: 2023/05/12
Authors: Nishant Das, Terence Tsao, Preston Van Loon, Potuz, Kasey Kirkham, James He
Status: Mitigated. Investigation complete. Prysm v4.0.4 released with fixes.
Network: Mainnet

BOLD, Permissionless Validation for Arbitrum Chains

Understanding Arbitrum: 2-Dimensional Fees

During last week’s Arbitrum Odyssey, Arbitrum One experienced record levels of…

How to Measure Layer 2 Performance and Scalability

One way to compare smart contract scaling solutions is by performance. Vendors like to throw around Transactions Per Second numbers — we have done this ourselves at Offchain Labs. But performance, besides being only one of the things…