This week started off with the finding of malicious code injected into a dependency of a popular open source npm package. The attacker found an inactive library, volunteered to help…
The transparent proxy pattern
Much has been discussed around proxy patterns and how to best achieve upgradeability in Ethereum smart contracts. The underlying idea is quite simple: instead of interacting with your smart contract…
Open source collaboration in the blockchain era: EVM packages
Check out our step-by-step guide to OpenZeppelin-eth, the EVM package implementation of OpenZeppelin 2.0. Smart contract development is still in its early days. We’re all still trying to figure out…
Towards frictionless upgradeability
ZeppelinOS is all about making the technology of upgradeability into an accessible and frictionless tool for developers. Ideally, we want to enable a developer to create upgradeable instances of an…
Getting started with ZeppelinOS
Why Upgradeability Matters Blockchains are immutable, and Ethereum is no exception. Ethereum has a rich smart contracts ecosystem that greatly lowers the barriers to creating new decentralized applications (DApps), governance…