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OpenZeppelin is a battle-tested framework of reusable smart contracts for Ethereum and other EVM and eWASM blockchains.

OpenZeppelin can be installed directly into your existing node.js project with npm install --save-exact openzeppelin-solidity, but OpenZeppelin also integrates directly with Truffle, an Ethereum development environment, which we'll use to get started.

Please install Truffle and initialize your project:

$ npm install -g truffle
$ mkdir myproject && cd myproject
$ truffle init

To install the OpenZeppelin library, run the following in your Solidity project root directory:

$ npm init -y
$ npm install --save-exact openzeppelin-solidity

External links[edit]

See Also on BitcoinWiki[edit]