OpenZeppelin

OpenZeppelin

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The standard for secure blockchain applications. We are hiring.

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A must-read for every SR by @OpenZeppelin: summary of 2025. Sad to see so many big protocols hacked. It's clear that we need to continue innovating.

Auditing blockchain infrastructore: a good intro and high level overview of the topic by @OpenZeppelin

8 of the top 10 stablecoins by market capitalization are built with OpenZeppelin Contracts 🔒 Great to see @usat building with the gold standard for stablecoins and tokenized RWA as well

USAT 🇺🇸 official Ethereum smart-contract: https://etherscan.io/token/0x07041776f5007aca2a54844f50503a18a72a8b68…

OpenZeppelin UI Builder now supports the Midnight Network 🌕 Devs on @MidnightNtwrk can generate plug-and-play mini app interfaces for any deployed contract to inspect state, interact with it, and execute transactions. Try it out: builder.openzeppelin.com

Introducing the Contracts UI Builder ⚡ Scaffold a frontend for any deployed contract in a few clicks — select contract functions and export an auto-generated React app with: • Built-in wallet connect • Multi-network support • Zero frontend coding http://builder.openzeppelin.com

Building crosschain apps shouldn’t be a nightmare 😵‍💫 Our new guide shows how to simplify it with ERC-7786: • One gateway interface for any bridge • Examples using @axelar • Implement the Multi Bridge Aggregator to use threshold-based confirmation

OpenZeppelin Safe Utils got a new update 🎉 • Nested Safe support • Warnings on untrusted delegateCall & custom gas-refund tokens

1/ After 6 months working on the Stellar Contract Library at @OpenZeppelin, I started seeing chains thru a more practical lens: A transaction's structure quietly reveals what a blockchain can and can’t do. My latest article explores this across Ethereum, Stellar & Solana 🧵👇

Multisig accounts, leveled-up 🔐 Our new guide shows how to build multisigs with ERC-7913, unlocking: • Flexible custom-threshold multisigs • Mixed signer types (EOA, P-256, RSA), not just EVM addresses • Weighted votes for each signer

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