what's openzeppelin?
OpenZeppelin is a leading provider of secure smart contract infrastructure for blockchain applications, offering open-source libraries, auditing services, and developer tools to build robust decentralized systems. Their flagship product, OpenZeppelin Contracts, is a battle-tested collection of reusable smart contracts that implement standards like ERC-20 for tokens, ERC-721 for NFTs, and access control mechanisms, helping developers avoid common vulnerabilities such as reentrancy attacks or integer overflows. Through platforms like Defender, OpenZeppelin enables secure deployment, monitoring, and operations of smart contracts, including features for relaying transactions, automating governance, and integrating with protocols like Chainlink for oracles. The company emphasizes security audits and formal verification, having contributed to major projects in the Ethereum ecosystem and beyond, fostering trust in Web3 by prioritizing code safety and best practices.
OpenZeppelin participates as a speaker at EthCC[9] conference from March 30 - April 2, 2026.
Links
x.com/openzeppelinParticipates as a partner in the Arbitrum Open House NYC Founder House event on March 6-8, 2026, which features $1.8M total prizes and $340k in NYC grants.
Confirmed that Solidity Contracts are not affected by a transient storage vulnerability because the libraries do not use delete on transient storage variables.
Completed audit of the Ether.fi eETH Automated Redemption Manager (ARM) built by Origin Protocol.
Participates as a speaker at EthCC[9] conference taking place March 30 - April 2, 2026 at the Palais des Festivals in Cannes.
Mentioned as a security research organization whose input is being sought on FTC's proposed standards for reasonable and appropriate software development practices in blockchain, with comment deadline on January 20th (2026-01-20).
Processed $13.2 trillion in onchain value transfers through OpenZeppelin Contracts in 2025, representing 106% growth from $6.4 trillion in 2024.
Added ERC-7984 support to Contracts Wizard, a confidential ERC-20 standard developed with Zama, Confidential Token Association, and Inco, enabling confidential fungible tokens using Zama's FHE with private balances and transfers.
Ships OpenZeppelin x Zama Confidential Contracts v0.3.0 with FHE upgrade to fhevm/solidity 0.9.1 and new extensions for Omnibus, Observer Access, Restricted, Freezable, and RWA features.
OpenZeppelin Contracts ranked 4th by DeepFunding team in their review of Ethereum's most impactful open source projects, in a process funded and supported by Vitalik.
OpenZeppelin recognized at DevConnect as advanced in AI smart contract auditing technology, standing out among security auditors who do not believe AI can audit smart contracts.
Develops Private State Management (PSM) system with Miden for privacy-first multisigs on the Miden network, with early public proof-of-concept already deployed.
Vitalik Buterin participates in fireside chat with OpenZeppelin founder at Convergence summit on November 21 at 12:15pm, discussing open source, public goods, and keeping crypto radically open.
Completed security audit for Origin Ether (OETH) contracts implementing trustless validation for liquid staking through EIP-4788 Merkle proofs, working alongside Sigma Prime and Nethermind.
Acts as silver sponsor for Sui Connect's LATAM debut event in Buenos Aires, Argentina.
OpenZeppelin UI Builder adds support for Midnight Network, enabling developers to generate plug-and-play mini app interfaces for deployed contracts to inspect state, interact, and execute transactions.
Hosts Convergence flagship summit on November 21 at EFDevcon Buenos Aires with participation from Ethereum Foundation, Uniswap, Circle, Chainlink, Arbitrum, Across Protocol, Stellar, Zama, Miden, Espresso Systems, and Linea.
Launches Solidity Contracts v5.5 featuring native passkey authentication, formal verification support, cross-chain interoperability, and gas optimizations.
OpenZeppelin audited earlier versions of Balancer v2 codebase before the attack vector that led to the recent exploit was introduced to the protocol.
Announced as Zama's genesis operator to secure the private FHE key as an MPC operator for the Zama Protocol.
OpenZeppelin launches Contracts v0.5.0 for Stellar with Smart Accounts on Soroban SDK, RWA 3643 standard for institutional tokenization, and Tokenized Vaults for yield-bearing assets.
OpenZeppelin announces integration with Sui blockchain, providing development tools for Move programming language at scale.