
OpenZeppelin
OpenZeppelin Contracts is an open library for smart contract development.

What is OpenZeppelin?
Provided through a stable API, OpenZeppelin Contracts provides an interface for developers to build Solidity and Cairo smart contracts. Developers can leverage secure practices to build ERC20, ERC721, ERC1155, Governor, and custom smart contracts through interactive wizard tools or with Remix. More than 30k developers follow and use OpenZeppelin's tools and libraries to build Web3 DApps.
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Metropolis makes it easy to deploy smart contracts using Alchemy's account abstraction infrastructure
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

