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.

Break down of the bytecode and assembly code used by GST2 (Gas Token 2) in order to understand how...

Security Insights

Gas tokens should be minted at a low gas price, and then burnt at a high gas price, thereby saving...

Security Insights

As we build a community of decentralized services for the open economy, we could easily repeat...

Security Insights

The State of Smart Contract Upgrades - 2020 edition A survey of the different Ethereum smart...

Security Insights Products

A flash-mintable asset-backed token is an ERC20-compliant token that is: Asset-backed and...

Security Insights

A high-severity vulnerability in the Argent wallet would have allowed attackers to take over...

Security Insights Zero-Day Vuln

In the wake of the current pandemic and other recent events affecting DeFi, we at OpenZeppelin have...

Security Insights

Learn about lending, collateral, loan to collateral ratio, protocol tokens, price oracles,...

Security Insights

Disclosure of a severe attack vector in the deployment of the popular Gnosis Safe Multisig wallet....

Security Insights Zero-Day Vuln

Flash Loans have been making the rounds. Even if the concept has been around for a year or two,...

Security Insights

It's been a busy 2019 for our dearest Research team. These are the main highlights of the year!.

Security Insights

We take a look at Bounties Network implementation of MetaTransactions and find two medium severity...

Security Insights