OpenZeppelin OpenZeppelin
  • Products
    Open Source Tools
    Contracts Library

    Secure smart contract templates

    Contracts Wizard

    Interactive smart contract generator

    Upgrades Plugin

    Safe and easy smart contract upgrades

    Safe Utils

    Verify Safe transactions before signing

    Defender Cloud Services
    Relayers

    Send reliable transactions via API

    Monitor

    Gain visibility into your smart contracts

    Actions

    Automate smart contract operations

    Access Control

    Manage contract roles and permissions

    Code Inspector

    Find and resolve smart contract vulnerabilities

    Deploy

    Launch and upgrade smart contracts safely

    Transaction Proposals

    Interactive transaction builder

    Defender Pricing ->
  • Services
    Services
    Smart Contract Security Audit

    Industry standard for securing smart contracts

    Emergency Response

    React with expertise and speed

    ZKP Practice

    Scalability, Privacy, and Security

    Solutions
    Ecosystem Stack

    Developer acquisition, accelerated

    Financial Institutions Stack

    Bring traditional finance onchain

  • Resources
    Resources
    Documentation
    Blog
    Forum
    Ethernaut CTF
    Company
    About us
    Careers
    Security Center
  • Stats
Login Talk to an Expert Sign Up
  • Talk to an Expert
  • Sign Up
  • Products
    • Open Source Tools
    • Contracts Library
    • Contracts Wizard
    • Upgrades Plugins
    • Safe Utils
    • Defender Cloud Services
    • Relayers
    • Monitor
    • Actions
    • Access Control
    • Code Inspector
    • Deploy
    • Transaction Proposals
    • Defender Pricing
  • Services
    • Smart Contract Security Audit
    • Emergency Response
    • ZKP Practice
    • Solutions
    • Ecosystem Stack
    • Financial Institutions Stack
  • Resources
    • Documentation
    • Blog
    • Forum
    • Ethernaut CTF
  • Company
    • About us
    • Careers
    • Security Center
  • Stats
Featured Post

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.

Read More details
OpenZeppelin Relayers and Monitor are now Open Source
All Security Audits Security Insights

The Global Coordination Machine

Few applications need blockchains. Distributed consensus makes each computational step very...

Security Insights

Compliant Decentralization?: Exploring an Approach to Utility Token Distribution

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

Security Insights

Ethereum in Depth, Part 2

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

Security Insights

Ethereum in Depth, Part 1

Welcome to the first part of a two-posts series aimed at software developers looking to understand...

Security Insights

On crowdsales and multiple inheritance

On 2017 we saw a mind-blowing number of crowdsales and ICOs running in the Ethereum blockchain....

Security Insights

How We Can Improve the Structure of Founder’s Tokens

In A Path Toward Better Token Sales, we covered how token sales originally met a critical need in...

Security Insights

Evolution of Smart Contract Security in the Ethereum Ecosystem

In May of 2016, Peter Vessenes analyzed a sample of smart contracts published online to assess...

Security Insights

The 4 Stages of a Token Sale

Token sales have emerged as a fundraising alternative to traditional venture capital. To this day,...

Security Insights

Handling Crowdsale Funds Securely

When developing a crowdsale smart contract, there are several options for handling the collection...

Security Insights
First Prev 1 2 3 4 5 Next Last
Openzeppelin
Openzeppelin
© Zeppelin Group Ltd Service Level Agreement Terms of Service Privacy Policy Trademark Guidelines
Products
  • Contracts Library
  • Contracts Wizard
  • Upgrade Plugins
  • Defender Cloud Services
Services
  • Smart Contract Security Audit
  • Emergency Response
  • ZKP Practice
  • Ecosystem Stack
  • Financial Institutions Stack
Resources
  • Documentation
  • Blog
  • Forum
  • Ethernaut CTF
Company
  • About us
  • Careers
  • Brand Kit
  • Trust