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Latest stories
Bounties Network Review Summary
We take a look at Bounties Network implementation of MetaTransactions and find two medium severity issues.
Changing the feedback experience using positive psychology
One of the topics we focused on at OpenZeppelin this year was feedback. We feel that giving and receiving feedback is…
Reentrancy After Istanbul
How to protect your contracts against reentrancy after Ethereum’s Istanbul hard fork.
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Say Hi to OpenZeppelin, the Company
Today we are announcing our new company name and brand structure: OpenZeppelin. This change allows us to look deeply at our brand and at how it can better reflect who we are and where we’re headed as…
Launching the Zeppelin community forum
The Zeppelin community connects experts, beginners, and enthusiasts of smart contract and decentralized app development from all over the world.
Getting the most out of CREATE2
In this post, we’ll go in depth into the CREATE2 opcode and its uses in counterfactual...
Announcing the Wyre + Zeppelin TPL integration
Wyre and Zeppelin share an ambition to lower barriers to entry for blockchain entrepreneurs, so we’ve spun up an integration of the Transaction Permission Layer (“TPL”) and YES Token which does just…
Sign it like you mean it: creating and verifying Ethereum signatures
Recently, Zeppelin announced that it had joined the Gas Station Network Alliance, a new group focused on the standardization of Meta-transactions for the Ethereum network.
Solidity Hot Reloading Using ZepKit
ZepKit provides a great start for DApp development on Ethereum. Today, we are happy to announce the release of Solidity Hot Reloading to help make your process even more comfortable and more…
Technical Description of Critical Vulnerability in MakerDAO Governance
While working on an audit for the Coinbase team, we found a critical vulnerability in the DSChief contract of the DappHub library.
MakerDAO Critical Vulnerability Notice
While working on an audit for the Coinbase team, we found a critical vulnerability in one of the DappHub library contracts. This affects the MakerDAO system currently in production.
Solo Margin Protocol Audit
The dYdX team asked us to review and audit their Solo project. We looked at the code and our results are published below.
Marmo Contracts Audit
The RCN team asked us to review and audit their Marmo contracts. We looked at the code and here are the results.
More stories
Say Hi to OpenZeppelin, the Company
Today we are announcing our new company name and brand structure: OpenZeppelin. This change allows us to look deeply at our brand and at how it can better reflect who we are and where we’re headed as…
Launching the Zeppelin community forum
The Zeppelin community connects experts, beginners, and enthusiasts of smart contract and decentralized app development from all over the world.
Getting the most out of CREATE2
In this post, we’ll go in depth into the CREATE2 opcode and its uses in counterfactual...
Announcing the Wyre + Zeppelin TPL integration
Wyre and Zeppelin share an ambition to lower barriers to entry for blockchain entrepreneurs, so we’ve spun up an integration of the Transaction Permission Layer (“TPL”) and YES Token which does just…
Sign it like you mean it: creating and verifying Ethereum signatures
Recently, Zeppelin announced that it had joined the Gas Station Network Alliance, a new group focused on the standardization of Meta-transactions for the Ethereum network.
Solidity Hot Reloading Using ZepKit
ZepKit provides a great start for DApp development on Ethereum. Today, we are happy to announce the release of Solidity Hot Reloading to help make your process even more comfortable and more…
Technical Description of Critical Vulnerability in MakerDAO Governance
While working on an audit for the Coinbase team, we found a critical vulnerability in the DSChief contract of the DappHub library.
MakerDAO Critical Vulnerability Notice
While working on an audit for the Coinbase team, we found a critical vulnerability in one of the DappHub library contracts. This affects the MakerDAO system currently in production.
Solo Margin Protocol Audit
The dYdX team asked us to review and audit their Solo project. We looked at the code and our results are published below.
Marmo Contracts Audit
The RCN team asked us to review and audit their Marmo contracts. We looked at the code and here are the results.