OpenZeppelin Relayers and Monitor are now Open Source

Introducing the alpha release of Open Source Relayers & Monitor for EVM networks, Solana, and Stellar. Get your hands on fully customizable, self-hosted dev tooling for secure onchain automation.

The function body is precisely what the function wrappers detour to, after unpacking the incoming...

Products

We saw how the function selector acts as a hub or a switch of sorts in our BasicToken.sol contract....

Security Insights

The Transaction Permission Layer protocol (TPL) is a method for assigning metadata (herein referred...

Products

William Hinman’s recent statements at the Yahoo Finance All Markets Summit provide some guidance...

Security Insights

In the prev. article, we identified the need to separate a contract’s bytecode into creation-time...

Security Insights

ZeppelinOS is all about making the technology of upgradeability into an accessible and frictionless...

Products

Let’s get started by attacking the disassembled gibberish of our contract with our...

Security Insights

You’re on the road, driving fast in your rare, fully restored 1969 Mustang Mach 1. The sunlight...

Security Insights

Blockchains are immutable, and Ethereum is no exception. Ethereum has a rich smart contracts...

Products

The Dharma team asked us to review and audit the smart contracts implementing their protocol. We...

Security Audits

Welcome to the second part of this guide. If you haven’t read part 1, I highly recommend it to...

Security Insights

With the first release of ZeppelinOS two months ago, the key issue we wanted to tackle was...

Products