Jun 4, 2020 74 Motivation StarkEx is a self-custodial scalability engine. We’ve described the different facets of a self-custodial system, with upgradability being one of them. This post describes the upgradability mechanism we’ve built to ensure that StarkEx remains a self-custodial system throughout. There are two reasons for upgrading the code of a smart contract: new features, or security (bugs). The challenge is to introduce such upgrades without obviating the self-custodial nature of th...