Case Study: Mysten Labs speeds blockchain debugging and testing with Antithesis

Mysten Labs - Customer Case Study

Mysten Labs, the company behind the Sui blockchain protocol, faced the significant challenge of ensuring the reliability of its highly complex, parallelized transaction processing system. They needed to test intricate multi-threaded code for a new "writeback cache" feature and interactions between different software versions, a task that exceeded the capabilities of their own homegrown deterministic simulation testing (DST) system. To address this, they turned to the testing services from vendor Antithesis.

By implementing Antithesis, Mysten Labs gained a robust testing environment that operates at the container level. The solution enabled them to run and test multiple software versions simultaneously and uncover subtle, deeply hidden multi-threading bugs. Antithesis provided critical tools like probability analysis and time travel debugging, which pinpointed the root cause of a rare production crash that was otherwise nearly impossible to diagnose. This gave the development team the confidence to make bold, necessary changes to their codebase, significantly accelerating their velocity and enhancing the reliability of their core protocol.

Mysten Labs

Sam Blackshear

Chief Technology Officer