November 12, 2019
Reentrancy After Istanbul
How to protect your contracts against reentrancy after Ethereum’s Istanbul hard fork.
October 22, 2018
Announcing OpenZeppelin 2.0
A stable, audited, and fully tested package for smart contract development
August 31, 2018
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...
June 2, 2017
Handling Crowdsale Funds Securely
When developing a crowdsale smart contract, there are several options for handling the collection of funds. In this post, we’ll analyze the most common approaches, and try to assess their degree of security and transparency.